| BARROWFULS | • barrowfuls n. Plural of barrowful. • BARROWFUL n. the contents of a barrow. |
| BATFOWLERS | • batfowlers n. Plural of batfowler. • bat-fowlers n. Plural of bat-fowler. • BATFOWLER n. one who batfowls, catches birds at night by confusing them with light. |
| BIOFOULERS | • biofoulers n. Plural of biofouler. • BIOFOULER n. an animal that obstructs or corrupts the environment. |
| FABULATORS | • fabulators n. Plural of fabulator. • FABULATOR n. one who fabulates. |
| FALLBOARDS | • fallboards n. Plural of fallboard. • FALLBOARD n. a cover for a piano keyboard. |
| FIBRILLOSE | • fibrillose adj. Covered with fibrils, such as fungi or the undersurface of some lichens. • FIBRILLOSE adj. having, or covered with, small fibres or the appearance of small fibres. |
| FIBRILLOUS | • fibrillous adj. Alternative spelling of fibrillose. • FIBRILLOUS adj. relating to or having small fibres. |
| FIBROBLAST | • fibroblast n. A cell found in connective tissue that produces fibers, such as collagen. • FIBROBLAST n. a cell in connective tissue from which connective tissue is formed. |
| FIBROLINES | • FIBROLINE n. a yarn of flax, jute and hemp waste. |
| FIBROLITES | • fibrolites n. Plural of fibrolite. • FIBROLITE n. (tradename) a type of building board containing asbestos and cement , also FIBRO, FIBROCEMENT. |
| FLASHBOARD | • flashboard n. (US) A board placed temporarily upon a milldam, to raise the water in the pond above its usual level. • FLASHBOARD n. one of a set of boards set up at the sides of a water channel to deepen it. |
| FLIPBOARDS | • flipboards n. Plural of flipboard. • FLIPBOARD n. a piece of office equipment consisting of a board to which a flip chart or some other pad can be attached. |
| FLOWERBEDS | • flowerbeds n. Plural of flowerbed. • flower␣beds n. Plural of flower bed. • FLOWERBED n. a bed containing flowers. |
| FORBIDDALS | • forbiddals n. Plural of forbiddal. • FORBIDDAL n. the act of forbidding, also FORBIDAL. |
| FOULBROODS | • FOULBROOD n. a bacterial disease of bee larvae. |
| FRABJOUSLY | • frabjously adv. In a frabjous manner; wonderfully, fabulously. • FRABJOUS adv. splendid, magnificent. |
| HARBORFULS | • harborfuls n. Plural of harborful. • HARBORFUL n. the contents of a harbor, also HARBOURFUL. |
| MYOFIBRILS | • myofibrils n. Plural of myofibril. • MYOFIBRIL n. a contractile element of a muscle cell. |
| SOFTBALLER | • softballer n. A softball player. • SOFTBALLER n. one who plays softball. |
| SUBFOLDERS | • subfolders n. Plural of subfolder. • SUBFOLDER n. a subdivision of a folder. |