Big Huge Thesaurus

uncertain

adjective

• unsure
• incertain
• unsealed
• changeable
• unsettled

antonyms

• certain
• sealed
• sure

related terms

• indeterminate
• undetermined
• unpredictable

similar terms

• ambiguous
• ambivalent
• chancy
• contingent
• doubtful
• dubious
• flukey
• fluky
• groping
• hesitant
• iffy
• indefinite
• undependable
• unreliable
• up in the air
• variable

rhymes with

• aachen
• aaron
• abandon
• abbreviation
• abdication
• abdomen
• abduction
• aberration
• abolition
• abomination
• abortion
• abrasion
• abrogation
• absolution
• absorption
• abstention
• abstraction
• academician
• acceleration
• accession
• acclimation
• accommodation
• accreditation
• accretion
• accumulation
• accusation
• acetaminophen
• acheson
• acidification
• acquisition
• actin
• action
• activation
• acumen
• adaptation
• addiction
• addition
• aden
• adjudication
• adman
• administration
• admiration
• admission
• admonition
• adoption
• adoration
• adrenaline
• adulation
• advection
• affectation
• affection
• affiliation
• affirmation
• affliction
• affrication
• african
• agglomeration
• aggravation
• aggression
• agitation
• airman
• aken
• akron
• alabaman
• alaskan
• albumin
• alderman
• aleutian
• alienation
• allegation
• allen
• allergen
• alleviation
• alliteration
• allocation
• allusion
• alphabetization
• alsatian
• alteration
• altercation
• alternation
• amalgamation
• ambition
• ambrosian
• amelioration
• american
• americanization
• amman
• ammunition
• amortization
• amplification
• amputation
• amundsen
• andalusian
• andersen
• anderson
• anglican
• angolan
• animation
• annexation
• annihilation
• annotation
• anticipation
• antigen
• antihistamine
• antitoxin
• appalachian
• apparition
• appellation
• appleton
• application
• apportion
• appreciation
• apprehension
• approbation
• appropriation
• approximation
• apron
• arbitration
• argumentation
• arizonan
• arkansan
• arlington
• armageddon
• armin
• arson
• artesian
• articulation
• artisan
• ascension
• ashen
• ashton
• asian
• aspen
• aspersion
• aspiration
• assassin
• assassination
• assemblywoman
• assertion
• assimilation
• association
• assumption
• asuncion
• aten
• attention
• attraction
• attribution
• attrition
• auction
• auden
• audition
• augmentation
• austin
• australian
• authentication
• authorization
• automation
• aversion
• aviation
• avocation
• awaken
• backgammon
• backwoodsman
• bacon
• badminton
• bagman
• balbriggan
• baldwin
• balkan
• bandwagon
• banyan
• bargain
• barman
• baron
• barren
• basin
• bastion
• battalion
• batten
• beacon
• beaten
• beautician
• beckon
• bedridden
• beethoven
• beholden
• belgian
• bellman
• benediction
• benjamin
• bennington
• benton
• bergen
• bergman
• bifurcation
• billion
• binghamton
• biotin
• bipartisan
• bison
• bitumen
• blacken
• bloomington
• bludgeon
• boatman
• bobbin
• bookman
• boston
• boughten
• bouillon
• bourbon
• bowman
• bozeman
• bracken
• brakeman
• brazen
• brazilian
• bremen
• brethren
• breton
• brighten
• brighton
• brinton
• britain
• briton
• britten
• broaden
• brogan
• broken
• brooklyn
• brutalization
• buchanan
• bulletin
• bullion
• bunyan
• burden
• burgeon
• burlington
• burton
• bushman
• businessperson
• businesswoman
• button
• byron
• cabin
• cajun
• calan
• calculation
• calibration
• californian
• calvin
• camden
• cameraman
• canaan
• cancellation
• cancun
• cannon
• canon
• canton
• canyon
• capitalization
• capitulation
• capoten
• capsaicin
• capstan
• captain
• caption
• carbon
• carcinogen
• cardigan
• carmine
• carnation
• carson
• carton
• castration
• catalan
• categorization
• caucasian
• cauldron
• causation
• caution
• caxton
• cayman
• celebration
• centralization
• certain
• certification
• cessation
• cetacean
• chairman
• chairperson
• chairwoman
• chamberlain
• chaplain
• chaplin
• chapman
• characterization
• charlatan
• charleston
• charon
• chasten
• cheapen
• chessman
• chesterton
• chevron
• chicken
• chieftain
• chiron
• chosen
• christen
• christian
• christianization
• churchman
• cinnamon
• circulation
• circumcision
• circumspection
• circumvention
• cistercian
• citation
• citizen
• citron
• civilian
• civilization
• clarification
• classification
• claxon
• clergyman
• clinician
• clinton
• coachman
• coagulation
• coalition
• cochran
• codification
• coercion
• cogitation
• cognition
• cohabitation
• cohan
• cohesion
• collaboration
• collagen
• collection
• collectivization
• collegian
• collision
• collusion
• colon
• colonization
• coloradan
• coloration
• combination
• combustion
• commemoration
• commendation
• commercialization
• commission
• committeeman
• common
• commotion
• communication
• communion
• communization
• companion
• comparison
• compassion
• compensation
• competition
• compilation
• completion
• complexion
• complication
• composition
• comprehension
• compression
• compton
• compulsion
• compunction
• computation
• computerization
• concatenation
• concentration
• conception
• conceptualization
• concession
• conciliation
• conclusion
• concoction
• concussion
• condemnation
• condensation
• condescension
• condition
• conduction
• confabulation
• confection
• confederation
• confession
• configuration
• confirmation
• confiscation
• conflagration
• confrontation
• confucian
• confusion
• congestion
• conglomeration
• congratulation
• congregation
• congressman
• congresswoman
• conjugation
• conjunction
• connection
• conniption
• connotation
• conscription
• consecration
• conservation
• consideration
• consolation
• consolidation
• constellation
• consternation
• constipation
• constitution
• constriction
• construction
• consultation
• consummation
• consumption
• contagion
• contamination
• contemplation
• contention
• continuation
• contortion
• contraception
• contraction
• contradiction
• contraption
• contravention
• contribution
• contrition
• contusion
• convection
• convention
• conversation
• conversion
• conviction
• convocation
• convolution
• convulsion
• cooperation
• coordination
• copenhagen
• copernican
• cordon
• coronation
• corporation
• correction
• correlation
• corroboration
• corrosion
• corruption
• corsican
• cosmopolitan
• cotton
• councilman
• councilwoman
• counterrevolution
• countryman
• cousin
• coven
• cowman
• craftsman
• craton
• craven
• creation
• cremation
• cresson
• crestfallen
• crewman
• crichton
• criminalization
• crimson
• crispen
• croatian
• crucifixion
• crustacean
• cuban
• culbertson
• culmination
• cultivation
• curtain
• cushion
• daemon
• dagan
• dagon
• dalmatian
• dalton
• damnation
• damon
• dampen
• damson
• danton
• darken
• dawson
• dayton
• deacon
• deaden
• deafen
• decapitation
• deceleration
• decentralization
• deception
• decimation
• decision
• declaration
• decommission
• decomposition
• decompression
• deconstruction
• decontamination
• decoration
• decriminalization
• dedication
• deduction
• deepen
• defamation
• defection
• definition
• deflation
• deforestation
• deformation
• degeneration
• degradation
• dehumanization
• dehydration
• deification
• delegation
• deletion
• deliberation
• delicatessen
• delineation
• delusion
• demarcation
• demobilization
• democratization
• demodulation
• demolition
• demon
• demonization
• demonstration
• demoralization
• demotion
• denationalization
• denizen
• denomination
• dentin
• dentition
• denunciation
• depiction
• depletion
• deportation
• deposition
• depravation
• depreciation
• depredation
• depression
• deprivation
• deregulation
• dereliction
• derision
• derivation
• desalination
• desalinization
• description
• desecration
• desegregation
• desertion
• desiccation
• designation
• desolation
• desperation
• destabilization
• destination
• destitution
• destruction
• detection
• detention
• deterioration
• determination
• determine
• detonation
• detoxification
• devaluation
• devastation
• deviation
• devolution
• devon
• devotion
• dickinson
• dictation
• diction
• dietitian
• differentiation
• diffraction
• diffusion
• digestion
• digression
• dilatation
• dilation
• dilution
• dimension
• diminution
• diocesan
• direction
• disaffection
• discipline
• discoloration
• disconnection
• discontinuation
• discretion
• discrimination
• discussion
• disembarkation
• disillusion
• disinclination
• disinfection
• disinflation
• disinformation
• disintegration
• dislocation
• disorganization
• disorientation
• dispensation
• dispersion
• disposition
• disputation
• disqualification
• disruption
• dissatisfaction
• dissection
• dissemination
• dissension
• dissertation
• dissipation
• dissociation
• dissolution
• distillation
• distinction
• distortion
• distraction
• distribution
• disunion
• diversification
• diversion
• divination
• division
• doberman
• dobson
• doctrine
• documentation
• dolman
• dolphin
• domestication
• domination
• dominican
• dominion
• donation
• downtrodden
• dozen
• draftsman
• dragon
• dramatization
• driven
• drunken
• dryden
• dudgeon
• duncan
• dungeon
• duplication
• duration
• durban
• dustman
• dutchman
• dylan
• dysfunction
• earthen
• eastman
• echolocation
• ecuadoran
• eddington
• eden
• edification
• edison
• edition
• edmonton
• education
• edwin
• egyptian
• eichmann
• eigen
• eindhoven
• ejaculation
• ejection
• ekman
• elaboration
• elan
• elation
• election
• electrician
• electrification
• electrocution
• elevation
• eleven
• elimination
• elizabethan
• ellington
• ellison
• elocution
• elongation
• emanation
• emancipation
• embarkation
• emblazon
• embolden
• emerson
• emigration
• emission
• emotion
• emulation
• emulsion
• encryption
• engine
• englishman
• englishwoman
• enlighten
• enliven
• ensign
• enumeration
• envision
• equalization
• equation
• equitation
• equivocation
• eradication
• erection
• ermine
• erosion
• erudition
• eruption
• escalation
• essen
• estimation
• estrogen
• etruscan
• evacuation
• evaluation
• evaporation
• evasion
• everyman
• eviction
• evocation
• evolution
• exacerbation
• exaction
• exaggeration
• examination
• exasperation
• excavation
• exception
• excision
• excitation
• exclamation
• exclusion
• excommunication
• excoriation
• excretion
• excursion
• execution
• exemption
• exertion
• exfoliation
• exhalation
• exhaustion
• exhibition
• exhilaration
• exhortation
• exhumation
• exoneration
• exoskeleton
• expansion
• expatriation
• expectation
• expedition
• experimentation
• expiration
• explanation
• explication
• exploitation
• exploration
• explosion
• exposition
• expression
• expropriation
• expulsion
• extension
• extermination
• extinction
• extortion
• extraction
• extradition
• extrapolation
• extrusion
• fabrication
• facilitation
• faction
• falcon
• fallen
• falsification
• famine
• farmington
• fascination
• fashion
• fasten
• fatten
• faustian
• federation
• felon
• feminine
• fermentation
• ferryman
• fertilization
• feynman
• fibrillation
• fibrin
• fiction
• figuration
• filtration
• finnan
• fireman
• fission
• fixation
• flatten
• flexion
• flirtation
• flotation
• fluctuation
• fluoridation
• fluorocarbon
• foliation
• footman
• foramen
• forbidden
• foreign
• foreman
• foreperson
• forewoman
• forgotten
• formalization
• formation
• formulation
• fortification
• fortune
• foundation
• fountain
• fraction
• fragmentation
• franciscan
• freedman
• freeman
• freemason
• freshen
• freshman
• friction
• friedan
• friedman
• frighten
• frostbitten
• frozen
• fruition
• frustration
• fulton
• fumigation
• function
• fusion
• gadsden
• gagarin
• galan
• galen
• gallon
• galton
• galveston
• gammon
• garden
• garrison
• gasification
• gastrulation
• gawain
• gelatin
• generalization
• generation
• gentian
• gentleman
• gentlewoman
• gentrification
• genuine
• georgian
• geriatrician
• german
• germination
• gestation
• gibbon
• gibson
• gilman
• given
• glaciation
• gladden
• glisten
• globalization
• glorification
• gluten
• golan
• golden
• goldman
• goodman
• gorgon
• gradation
• graduation
• granulation
• gratification
• graven
• gravitation
• grecian
• greco-roman
• gremlin
• griffon
• guatemalan
• gudgeon
• gumption
• guncotton
• gunman
• gyration
• habitation
• haitian
• hallucination
• halogen
• haman
• hamilton
• hampton
• handwoven
• handwritten
• hangman
• happen
• harden
• harken
• harlequin
• harmonization
• harriman
• harrison
• hasten
• hausen
• haven
• haydn
• hazan
• headman
• headsman
• heartbroken
• hearten
• heathen
• heaven
• heighten
• helen
• hellman
• hemoglobin
• hempen
• henchman
• henson
• herman
• hermann
• heron
• hesitation
• hessian
• hibernation
• hidden
• higginson
• hoffman
• hoffmann
• homogenization
• honduran
• hooligan
• hopkinson
• horizon
• horseman
• hospitalization
• houghton
• housebroken
• houseman
• housman
• houston
• hudson
• human
• humiliation
• huntington
• huntsman
• huston
• hutchinson
• hutton
• hybridization
• hydration
• hydrocarbon
• hydrogen
• hydrogenation
• hymen
• hypertension
• hyphen
• hypotension
• hyson
• ibsen
• ibuprofen
• identification
• ignition
• illumination
• illusion
• illustration
• imagination
• imagine
• imitation
• immersion
• immigration
• immunization
• imperfection
• impersonation
• implantation
• implementation
• implication
• implosion
• importation
• imposition
• impregnation
• impression
• imprison
• improvisation
• imputation
• inaction
• inactivation
• inattention
• inauguration
• incantation
• incarceration
• incarnation
• inception
• inchon
• incineration
• incision
• inclination
• inclusion
• incoordination
• incorporation
• incrimination
• incrustation
• incubation
• incursion
• indecision
• indemnification
• indentation
• indexation
• indication
• indigestion
• indignation
• indiscretion
• indoctrination
• indonesian
• induction
• industrialization
• infantryman
• infarction
• infatuation
• infection
• infestation
• infiltration
• inflammation
• inflation
• inflection
• infliction
• information
• infraction
• infusion
• ingestion
• inhabitation
• inhalation
• inhibition
• inhuman
• initiation
• injection
• injunction
• innovation
• inoculation
• inquisition
• inscription
• insemination
• insertion
• insinuation
• inspection
• inspiration
• installation
• instigation
• institution
• instruction
• instrumentation
• insubordination
• insulation
• insulin
• insurrection
• integration
• intensification
• intention
• interaction
• interception
• intercession
• interconnection
• interdiction
• interjection
• intermission
• internationalization
• interpretation
• interrogation
• interruption
• intersection
• intervention
• interwoven
• intestine
• intimation
• intimidation
• intonation
• intoxication
• introduction
• intron
• introspection
• intrusion
• intuition
• inundation
• invalidation
• invasion
• invention
• inversion
• investigation
• invitation
• invocation
• ionization
• iowan
• irishman
• irradiation
• irrigation
• irritation
• isolation
• italian
• jackson
• jacobin
• jamaican
• jamison
• jansen
• jargon
• jasmine
• jason
• javelin
• jefferson
• jensen
• jespersen
• jettison
• jillion
• johnson
• johnston
• jolson
• jonathan
• jonson
• jordan
• jubilation
• junction
• jurisdiction
• justification
• juxtaposition
• kansan
• karen
• kaufman
• kazan
• keaton
• keelson
• kelvin
• kenyan
• keratin
• kindergarten
• kingston
• kitchen
• kitten
• kremlin
• laban
• laceration
• lactation
• laden
• lagan
• landman
• landsman
• lanolin
• laotian
• latin
• laughton
• lawman
• lawton
• layman
• leaden
• leaven
• lebanon
• lecithin
• legalization
• legion
• legislation
• lemmon
• lemon
• lengthen
• lenin
• lennon
• lesion
• lessen
• lesson
• letterman
• leviathan
• levitation
• lewiston
• lexington
• leyden
• liberalization
• liberation
• libration
• lichen
• ligation
• lighten
• liken
• lilliputian
• liman
• limitation
• lincoln
• linden
• lineman
• linemen
• linen
• lippmann
• liquefaction
• liquidation
• lisbon
• listen
• liston
• litigation
• liven
• livingston
• lobsterman
• localization
• location
• lockman
• locomotion
• logan
• logician
• london
• longan
• loosen
• loren
• lotion
• louden
• lubrication
• lumberman
• lumen
• luncheon
• lupin
• lytton
• machination
• macon
• madden
• madison
• magdalen
• magellan
• magician
• magnetization
• magnification
• maiden
• malaysian
• malformation
• malfunction
• mallon
• malnutrition
• manhattan
• manifestation
• manipulation
• mansion
• manson
• margin
• marginalization
• marksman
• marlin
• marten
• martian
• martin
• masculine
• mason
• masturbation
• mathematician
• matron
• maturation
• mauldin
• maven
• maximization
• mcallen
• mcguffin
• mcpherson
• mechanization
• medallion
• mediation
• medication
• medicine
• meditation
• melanesian
• melanin
• mellon
• melon
• mencken
• mendelsohn
• mendelssohn
• menhaden
• menstruation
• mention
• merton
• metropolitan
• mexican
• michelson
• michigan
• middleton
• midsection
• midshipman
• migration
• millikan
• million
• milton
• minden
• miniaturization
• minion
• ministration
• minnesotan
• misapplication
• misapprehension
• misappropriation
• misbegotten
• miscalculation
• misconception
• miscreation
• misfortune
• misinformation
• misinterpretation
• misrepresentation
• misshapen
• mission
• mistaken
• mitigation
• mitten
• mizen
• mobilization
• moderation
• modernization
• modification
• modulation
• mohican
• moisten
• molestation
• molten
• monopolization
• montanan
• morgan
• morgen
• mormon
• moroccan
• morrison
• mortician
• morton
• motion
• motivation
• mountain
• mozambican
• muenchen
• muffin
• mulligan
• multiplication
• mummification
• munition
• musician
• muskmelon
• muslin
• mutation
• mutilation
• mutton
• myosin
• narration
• nation
• nationalization
• naturalization
• navigation
• neapolitan
• nebraskan
• negation
• negotiation
• nekton
• nelson
• neumann
• neurosurgeon
• neutralization
• nevadan
• newman
• newsperson
• newswoman
• newton
• niacin
• nicaraguan
• nicolson
• nielson
• nilsson
• ninon
• nitrogen
• nixon
• nobleman
• noblewoman
• nomination
• nonaggression
• nonfiction
• nonhuman
• nonintervention
• nonpartisan
• nonprescription
• nonproliferation
• nonunion
• normalization
• norman
• northampton
• norwegian
• notation
• notification
• notion
• nullification
• nutrition
• oarsman
• obfuscation
• objection
• obligation
• observation
• obsession
• obstetrician
• obstruction
• occasion
• occlusion
• occupation
• ocean
• octahedron
• octillion
• odin
• often
• ogden
• oklahoman
• olden
• ombudsman
• omen
• omission
• onion
• open
• operation
• opinion
• opposition
• oppression
• optician
• optimization
• option
• oration
• orchestration
• ordination
• oregon
• organ
• organisation
• organization
• orientation
• origin
• origination
• ornamentation
• orphan
• oscillation
• ossification
• ostentation
• ottoman
• outspoken
• ovation
• oven
• overburden
• overpopulation
• overproduction
• overprotection
• overreaction
• oversimplification
• overvaluation
• ovulation
• oxen
• oxidation
• oxygen
• oxytocin
• pacification
• packman
• pagan
• pagination
• palpitation
• paraffin
• pardon
• parisian
• parkinson
• parson
• participation
• partisan
• partition
• passion
• pasteurization
• paterson
• pathan
• pathogen
• paton
• patrician
• patron
• patten
• pavilion
• paxton
• pectin
• pediatrician
• pelican
• peloponnesian
• penetration
• penguin
• penicillin
• penman
• pension
• pentathlon
• perception
• percussion
• perfection
• perforation
• permission
• permutation
• perpetuation
• persecution
• persian
• person
• personification
• perspiration
• persuasion
• perturbation
• perversion
• petition
• phenolphthalein
• philodendron
• phoenician
• physician
• phytoplankton
• pigeon
• pigman
• pigmentation
• pillion
• pinion
• piston
• pitchman
• pitman
• plankton
• plantain
• plantation
• platen
• plowman
• poison
• polarization
• policeman
• policewoman
• politician
• pollen
• pollination
• pollution
• polyhedron
• polynesian
• popularization
• population
• porcelain
• portion
• poseidon
• position
• possession
• postman
• potion
• precaution
• precession
• precipitation
• precision
• preclusion
• preconception
• precondition
• predestination
• predestine
• predetermine
• prediction
• predilection
• predisposition
• preemption
• prefabrication
• premeditation
• premonition
• preoccupation
• preparation
• prescription
• presentation
• preservation
• pressman
• presumption
• presupposition
• pretension
• prevention
• princeton
• prison
• privation
• privatisation
• privatization
• probation
• procession
• proclamation
• procrastination
• procreation
• production
• profanation
• profession
• profusion
• prognostication
• progression
• prohibition
• projection
• prolactin
• proliferation
• promotion
• pronunciation
• propagation
• proportion
• proposition
• propulsion
• proration
• proscription
• prosecution
• prostitution
• prostration
• protection
• protestation
• proven
• provision
• provocation
• prussian
• psilocybin
• publication
• pullman
• punctuation
• purification
• puritan
• pygmalion
• qualification
• quantification
• question
• quicken
• quotation
• radiation
• ramadan
• ramification
• rasmussen
• ratification
• ration
• rationalization
• rattigan
• raven
• reaction
• reaffiliation
• reaffirmation
• reagan
• realization
• reallocation
• reason
• reassertion
• reawaken
• rebellion
• recalculation
• recantation
• reception
• recession
• recission
• recitation
• reckon
• reclamation
• reclassification
• recognition
• recollection
• recommendation
• reconciliation
• recondition
• reconsideration
• reconstruction
• recreation
• recrimination
• rectification
• recuperation
• redden
• rededication
• redefinition
• redemption
• redeposition
• rediffusion
• redistribution
• reduction
• reelection
• reevaluation
• reexamination
• reexamine
• reflation
• reflection
• reforestation
• reformation
• refrigeration
• refutation
• regeneration
• regimen
• regimentation
• region
• registration
• regression
• regulation
• rehabilitation
• reimposition
• reincarnation
• reinterpretation
• reintroduction
• reiteration
• rejection
• rejuvenation
• relation
• relaxation
• religion
• relocation
• remediation
• remission
• remuneration
• rendition
• renin
• renovation
• renunciation
• reopen
• reorganization
• reparation
• repatriation
• repercussion
• repetition
• replication
• reposition
• repossession
• representation
• repression
• reproduction
• republican
• repudiation
• reputation
• requisition
• rescission
• reservation
• resignation
• resin
• resolution
• respiration
• restitution
• restoration
• restriction
• resumption
• resurrection
• resuscitation
• retaliation
• retardation
• retention
• retraction
• retribution
• reuben
• reunification
• reunion
• revaluation
• revelation
• reverberation
• reversion
• revision
• revitalization
• revocation
• revolution
• revulsion
• rhetorician
• rhodesian
• rhododendron
• rhodopsin
• ribbon
• richardson
• riemann
• rifleman
• ripen
• risen
• robertson
• robeson
• robin
• robinson
• roman
• rosin
• rotation
• rotten
• rumen
• rumination
• runyon
• russian
• rwandan
• saarinen
• sadden
• saffron
• saipan
• salesman
• salesperson
• saleswoman
• salmon
• salomon
• salvadoran
• salvation
• samaritan
• samson
• sanctification
• sanction
• sanitation
• saponification
• sarazen
• satan
• satin
• satisfaction
• saturation
• saxon
• scallion
• schumann
• scotsman
• scranton
• scullion
• seaman
• season
• secession
• seclusion
• secretion
• section
• sedation
• sedimentation
• sedition
• seduction
• seedsman
• segmentation
• segregation
• selection
• self-deception
• self-determination
• semen
• sensation
• separation
• sequestration
• sequin
• serbo-croatian
• sermon
• session
• seton
• seven
• sexton
• shaken
• shaman
• shannon
• sharpen
• shaven
• shenanigan
• sheraton
• sheridan
• sherman
• shogun
• shorten
• showman
• shrunken
• sicken
• sidon
• silicon
• simon
• simplification
• simpson
• simulation
• singleton
• siphon
• siren
• sison
• situation
• skeleton
• slacken
• slogan
• smidgen
• smitten
• snapdragon
• snellen
• socialization
• sodden
• soften
• solan
• solicitation
• solomon
• solon
• solution
• somalian
• sophistication
• sorensen
• sovereign
• spartan
• specialization
• specification
• specimen
• speculation
• spillane
• spoken
• spokesman
• spokesperson
• spokeswoman
• sportsman
• squadron
• stabilization
• stagflation
• stagnation
• stalin
• stalinization
• stallion
• standardization
• stanton
• starvation
• statesman
• station
• statistician
• steelman
• steichen
• steinman
• stephen
• stephenson
• sterilization
• stetson
• stevenson
• stiffen
• stimulation
• stipulation
• stockman
• stockton
• stolen
• straighten
• strangulation
• strengthen
• stricken
• sturgeon
• suasion
• subdivision
• subhuman
• subluxation
• submersion
• submission
• subordination
• subscription
• subsection
• subsidization
• substantiation
• substation
• substitution
• subtraction
• suburban
• subversion
• succession
• suction
• sudden
• suffocation
• suggestion
• sullen
• sullivan
• sultan
• sumatran
• summation
• summon
• sunken
• superhuman
• superman
• superstition
• supervision
• supposition
• suppression
• surgeon
• suspension
• suspicion
• swanson
• sweden
• sweeten
• swollen
• sylvan
• syncopation
• syndication
• syphon
• tabulation
• tactician
• taken
• talisman
• talon
• tamoxifen
• tappan
• tarpon
• tartan
• tasman
• taxation
• technician
• teflon
• telamon
• telecommunication
• television
• temptation
• tendon
• tennyson
• tension
• termination
• teton
• tetrahedron
• texan
• theoretician
• thiamin
• thicken
• thompson
• thomson
• thornton
• threaten
• tibetan
• tighten
• tigon
• tilden
• timberman
• titan
• titian
• titillation
• toboggan
• token
• toleration
• toughen
• townsman
• toxin
• traction
• tradition
• trajan
• transaction
• transcription
• transformation
• transfusion
• transgression
• transition
• translation
• transmission
• transplantation
• transportation
• treason
• trenton
• trepidation
• trevelyan
• triangulation
• tribulation
• trillion
• triton
• trojan
• truman
• tubman
• tuchman
• tuition
• tungsten
• tunisian
• turban
• tuscan
• typewritten
• tyson
• ugandan
• unbeaten
• unbroken
• unburden
• unbutton
• uncommon
• undervaluation
• uneven
• unification
• union
• unionization
• unison
• unproven
• unshaken
• unshaven
• unspoken
• unwritten
• urban
• urbanization
• urchin
• usurpation
• utilization
• vacation
• vaccination
• vacillation
• validation
• valuation
• vaporization
• variation
• vatican
• vaudevillian
• vegetation
• venetian
• venezuelan
• venison
• ventilation
• verboten
• verdun
• verification
• vermilion
• vermillion
• version
• vibration
• victimization
• vilification
• villain
• vindication
• vinson
• violation
• virginian
• vision
• visitation
• visualization
• vitamin
• vocation
• volition
• vulcan
• vulgarization
• wagon
• waken
• walton
• wanton
• warden
• warren
• washbasin
• washington
• watchman
• waterman
• watermelon
• watson
• weaken
• weapon
• weismann
• wellington
• westernization
• weston
• wharton
• wheaten
• whiten
• whitman
• wiccan
• widen
• wiesbaden
• wilkinson
• wilmington
• wilson
• wilton
• wimbledon
• wingman
• wireman
• wisconsin
• wizen
• wolfman
• woman
• wooden
• woodman
• woolen
• woollen
• workman
• workstation
• worsen
• wotan
• woven
• written
• xenophon
• yachtsman
• yemen
• yeoman
• yerevan
• zairean
• zaman
• zeeman
• zillion
• zircon
• zukerman