| BACKFILES | • backfiles n. Plural of backfile. • BACKFILE n. the back numbers of a newspaper. |
| BACKFIRES | • backfires n. Plural of backfire. • backfires v. Third-person singular simple present indicative form of backfire. • back␣fires n. Plural of back fire. |
| FIREBACKS | • firebacks n. Plural of fireback. • FIREBACK n. a cast-iron plate at the back of a fireplace. |
| BACKFIELDS | • backfields n. Plural of backfield. • BACKFIELD n. in American football, the backs collectively. |
| BLACKFLIES | • blackflies n. Plural of blackfly. • BLACKFLY n. a biting fly. |
| FIREBREAKS | • firebreaks n. Plural of firebreak. • fire␣breaks n. Plural of fire break. • FIREBREAK n. a strip of land kept clear to stop the spread of a fire. |
| FIREBRICKS | • firebricks n. Plural of firebrick. • fire␣bricks n. Plural of fire brick. • FIREBRICK n. a brick resistant to fire, used for furnace linings, grates, etc. |
| BACKFISCHES | • backfisches n. Plural of backfisch. • BACKFISCH n. (German) a young girl, a flapper. |
| BLACKFISHES | • blackfishes n. Plural of blackfish. • BLACKFISH n. a colloquial name for various species of fish. |
| BRICKFIELDS | • brickfields n. Plural of brickfield. • BRICKFIELD n. a brickyard. |
| FIDDLEBACKS | • fiddlebacks n. Plural of fiddleback. • FIDDLEBACK n. a wavy grain found in some woods commonly used for the manufacture of violins. |
| BIOFEEDBACKS | • biofeedbacks n. Plural of biofeedback. • BIOFEEDBACK n. a technique for learning control of autonomic body functions in response to monitoring by electronic instruments such as an electrocardiograph. |
| BREAKFASTING | • breakfasting v. Present participle of breakfast. • breakfasting n. The act of eating breakfast. • BREAKFAST v. to take breakfast. |
| BRICKFIELDERS | • brickfielders n. Plural of brickfielder. • BRICKFIELDER n. a hot dry wind in Australia. |
| FARKLEBERRIES | • farkleberries n. Plural of farkleberry. • FARKLEBERRY n. a shrub with hard, black berries. |