- foreword
- foresail
- fish glue
- fingernail
- foghorn
- forelimb
- for one
- fatherland
- fief
- filling station
- fractional distillation
- fearsome
- federal government
- fly off the handle
- folklore
- formicary
- field officer
- film director
- film producer
- fostered
- far away
- fractal geometry
- Federalist
- freethinker
- fingerprint expert
- fingermark
- fireclay
- figurine
- filariasis
- foreskin
- figured
- fettered
- fleapit
- fandango
- fluorescence
- from door to door
- fetlock
- fatigue duty
- forcible
- fluidity
- farsighted
- famous person
- fastidious
- fondant
- Frenchwoman
- foreign aid
- fiscal policy
- flaccid
- folding
- flame up