| A | B |
| factious | adj: causing disagreement |
| fastidious | adj: hard to please; fussy |
| fatuous | adj: foolish, inane |
| fecund | adj: fertile, productive |
| ferret | noun: a small animal of the weasel family |
| ferret | verb: to search or drive out |
| fetish | noun: an object that receives respect or devotion |
| finesse | noun: diplomacy; tact; artful management |
| fervent | adj: eager, earnest |
| fiscal | adj: pertaining to finances |
| fissure | noun: an opening; a grove; a split |
| flaccid | adj: flabby |
| flagellate | verb: to whip; to lash |
| flaunt | verb: to show off |
| flout | verb: to ridicule: to show contempt for |
| foment | verb: to stir up; to incite |