| BEFOOLING | • befooling v. Present participle of befool. • BEFOOL v. to fool; to delude or lead into error. |
| BIOFOULER | • biofouler n. Any material that causes biofouling. • BIOFOULER n. an animal that obstructs or corrupts the environment. |
| BLOODFINS | • bloodfins n. Plural of bloodfin. • BLOODFIN n. a freshwater fish. |
| BOBFLOATS | • BOBFLOAT n. a small buoyant float used in angling. |
| BOOKSHELF | • bookshelf n. A shelf or shelves for storing books for easy visual reference. • BOOKSHELF n. a shelf for books. |
| DOBSONFLY | • dobsonfly n. Any insect of the subfamily Corydalinae, whose males have long mandibles, found in the Americas and… • DOBSONFLY n. the larva of a large neuropterous insect, used as fish bait, also DOBSON. |
| FIELDBOOT | • fieldboot n. A kind of riding boot with lacing at the vamp, traditionally worn by officers ranked "field grade" or higher. • field␣boot n. A type of walking boot. • FIELDBOOT n. a knee-length boot. |
| FLIPBOOKS | • flipbooks n. Plural of flipbook. • flip␣books n. Plural of flip book. • FLIPBOOK n. a book of a series of images that when flipped give the illusion of movement. |
| FLOODABLE | • floodable adj. Able to be flooded. • FLOODABLE adj. that can be flooded. |
| FOILBORNE | • FOILBORNE adj. of a craft, travelling along the water on hydrofoils. |
| FOLDBOATS | • foldboats n. Plural of foldboat. • fold␣boats n. Plural of fold boat. • FOLDBOAT n. a collapsible boat resembling a kayak, also FALTBOAT. |
| FOOSBALLS | • FOOSBALL n. (US) table football, also FUSBALL, FUSSBALL. |
| FOOTBALLS | • footballs n. Plural of football. • foot-balls n. Plural of foot-ball. • foot␣balls n. Plural of foot ball. |
| FOULBROOD | • foulbrood n. A bacterial disease of bees. • FOULBROOD n. a bacterial disease of bee larvae. |
| FULLBLOOD | • full-blood n. A pure-bred animal. • full-blood n. (Australia, now offensive) An Aboriginal person of unmixed ancestry. • FULLBLOOD n. a person of unmixed race. |
| GOOFBALLS | • goofballs n. Plural of goofball. • GOOFBALL n. (US) a barbiturate pill used as an exhilarant; a goofy person. |
| LIFEBLOOD | • lifeblood n. Blood that is needed for continued life; blood regarded as the seat of life. • lifeblood n. (Figuratively) That which is required for continued existence or function. • LIFEBLOOD n. the blood necessary to life. |
| SUBFLOORS | • subfloors n. Plural of subfloor. • SUBFLOOR n. a rough floor laid as a base for a finished floor. |