Big Huge Thesaurus

add-on

noun

• addition
• improver
• accessory
• appurtenance
• supplement
• component
• constituent
• element

sounds kind of like

• a-team
• ad hominem
• adam
• adana
• add on
• add-in
• addition
• aden
• adenine
• adenium
• adenoma
• adman
• adnoun
• adynamia
• aethionema
• at a time
• at home
• aten
• athena
• athenaeum
• athene
• atheneum
• athenian
• athinai
• atm
• atom
• aton
• atone
• atonia
• atony
• attain
• attune
• auden
• audition
• autoimmune
• autonomy
• autotomy
• autumn