| FARTLEKS | • fartleks n. Plural of fartlek. • FARTLEK n. (Swedish) a training technique, used esp. among runners, consisting of bursts of intense effort alternating with less strenuous activity. |
| FETLOCKS | • fetlocks n. Plural of fetlock. • FETLOCK n. a joint of a horse's leg. |
| FICKLEST | • ficklest adj. Superlative form of fickle: most fickle. • FICKLE adj. not loyal. |
| FLACKETS | • flackets n. Plural of flacket. • FLACKET v. to flap, flutter. |
| FLAKIEST | • flakiest adj. Superlative form of flaky: most flaky. • FLAKEY adj. in flakes; crazy, eccentric, also FLAKY. |
| FLASKETS | • flaskets n. Plural of flasket. • FLASKET n. (historical) a long, shallow basket, with two handles. |
| FLOKATIS | • flokatis n. Plural of flokati. • FLOKATI n. (Modern Greek) a handwoven Greek rug. |
| FLUKIEST | • flukiest adj. Superlative form of fluky: most fluky. • FLUKY adj. lucky, by accidental success, also FLUKEY. |
| FOLKIEST | • folkiest adj. Superlative form of folkie: most folkie. • FOLKY adj. down to earth. |
| FOLKMOTS | • folkmots n. Plural of folkmot. • FOLKMOT n. (Old English) a general assembly of the people in early England, also FOLKMOOT, FOLKMOTE. |
| KISTFULS | • kistfuls n. Plural of kistful. • KISTFUL n. as much as a chest can hold, also CHESTFUL. |
| LOCKFAST | • lockfast adj. (Scotland) Fastened or secured with a lock. • LOCKFAST adj. secured by locks. |
| LUTEFISK | • lutefisk n. A traditional Nordic dish made from stockfish and soda lye. • LUTEFISK n. (Norwegian) dried codfish, also LUTFISK. |
| LUTFISKS | • LUTFISK n. dried codfish, also LUTEFISK. |
| STICKFUL | • stickful n. (Printing, dated) As much type as fills a composing stick. • stickful n. An amount that is held on one stick. • STICKFUL n. as much set type as fills a composing stick. |
| TALKFEST | • talkfest n. (Informal) A session of enthusiastic discussion or gossip. • TALKFEST n. an informal discussion meeting. |
| TANKFULS | • tankfuls n. Plural of tankful. • TANKFUL n. the amount a tank can hold. |