adverb
noun
- floating-point operation
- dud
- washout
- bust
- fizzle
- collapse
- computer operation
- descent
- failure
- loser
- machine operation
- nonstarter
- unsuccessful person
verb
- fall through
- fall flat
- founder
- break
- cave in
- collapse
- come down
- descend
- fail
- fall
- fall in
- give
- give way
- go down
- go wrong
- miscarry
sounds kind of like
- fall off
- falloff
- fallopio
- filial love
- fill up
- fillip
- fipple pipe
- flab
- flabby
- flap
- flip
- floppy
- flow off
- flub
- flue pipe
- fluff
- fluff up
- fluffy
- fly by
- fly-by
- flyleaf
- follow up
- follow-up
- followup
- foul up
- foul-up
- fulbe