| BIOFACTS | • biofacts n. Plural of biofact. • BIOFACT n. an item of biological information. |
| FACTIONS | • factions n. Plural of faction. • FACTION n. a clique within a larger group. |
| FACTIOUS | • factious adj. Of, pertaining to, or caused by factions. • factious adj. Given to or characterized by discordance or insubordination. • FACTIOUS adj. inclined to form factions. |
| FACTOIDS | • factoids n. Plural of factoid. • FACTOID n. a statement said so often that it is believed to be true. |
| FAITOURS | • faitours n. Plural of faitour. • FAITOUR n. an imposter, also FAITOR. |
| FISHBOAT | • fishboat n. A fishing boat. • FISHBOAT n. a watercraft used for fishing. |
| FLOKATIS | • flokatis n. Plural of flokati. • FLOKATI n. (Modern Greek) a handwoven Greek rug. |
| FOAMIEST | • foamiest adj. Superlative form of foamy: most foamy. • FOAMY adj. covered with foam. |
| FOLIATES | • foliates v. Third-person singular simple present indicative form of foliate. • FOLIATE v. to number the leaves of. |
| FONTINAS | • fontinas n. Plural of fontina. • FONTINA n. (Italian) an Italian cheese. |
| FOXTAILS | • foxtails n. Plural of foxtail. • FOXTAIL n. the tail of a fox. |
| GOATFISH | • goatfish n. Any of many brightly coloured fishes, of the family Mullidae, having two barbels on the chin. • GOATFISH n. a tropical fish inhabiting the Gulf of Mexico, allied to the surmullet. |
| ISOGRAFT | • isograft n. A surgical transplant of tissue between genetically identical individuals (i.e. monozygotic twins). • isograft v. To perform a transplant of this kind. • ISOGRAFT v. to transplant from one to another of the same species. |
| SFORZATI | • sforzati n. Plural of sforzato. • SFORZATO n. (Italian) a suddenly emphasised passage of music, also FORZANDO, FORZATO, SFORZANDO. |
| TOADFISH | • toadfish n. Any fish thought to resemble a toad. • TOADFISH n. a toadlike marine fish. |