| BILLFOLD | • billfold n. A small, folding sleeve or case designed to hold paper currency, as well as credit cards, pictures, etc. • BILLFOLD n. a wallet. |
| FALLIBLE | • fallible adj. Capable of making mistakes or being wrong. • FALLIBLE adj. capable of erring. |
| FALLIBLY | • fallibly adv. In a fallible manner. • FALLIBLE adv. capable of erring. |
| FILIALLY | • filially adv. In a filial manner. • FILIAL adv. pertaining to a son or daughter. |
| FILLABLE | • fillable adj. Able to be filled. • FILLABLE adj. capable of being filled. |
| FLOTILLA | • flotilla n. (Nautical) A small fleet of warships (usually of the same class), or a fleet of small ships. • FLOTILLA n. a fleet of ships. |
| FLUELLIN | • fluellin n. (Obsolete) Any of various varieties of Veronica, especially Veronica officinalis; speedwell. • fluellin n. Alternative form of fluellen (Kickxia spp.). • FLUELLIN n. a weedy annual related to toadflax, also FLUELLEN. |
| FOLLICLE | • follicle n. (Anatomy) A small cavity or sac, such as a hair follicle. • follicle n. (Botany) A type of primitive dry fruit produced by certain flowering plants. • FOLLICLE n. a fruit which develops from a single ovary, dries out on ripening and splits on one side only to release its fruit. |
| FULFILLS | • fulfills v. Third-person singular simple present indicative form of fulfill. • FULFILL v. to bring about the accomplishment of, also FULFIL. |
| HILLFOLK | • hillfolk n. Hillspeople. • HILLFOLK n. people living among the hills. |
| LAKEFILL | • lakefill n. Land reclaimed from a lake by filling it. • LAKEFILL n. an area of land built by filling a lake. |
| LANDFILL | • landfill v. (Transitive) To dispose of (garbage) by burying it at a landfill site. • landfill n. (Countable) A site at which refuse is buried under layers of earth. • landfill n. (Uncountable) The material so disposed of. |
| SKILFULL | • skilfull adj. Archaic form of skilful. • SKILFULL adj. full of skill, also SKILFUL, SKILLFUL. |
| SKILLFUL | • skillful adj. Possessing skill; skilled. • skillful adj. Requiring skill. • SKILLFUL adj. having skill, also SKILFUL, SKILLY. |
| WILFULLY | • wilfully adv. (Obsolete) Willingly, of one’s own free will. • wilfully adv. Deliberately, on purpose. • WILFUL adv. bent on having one's own way, also WILLFUL, WILLYARD, WILLYART. |