| FERNBIRDS | • fernbirds n. Plural of fernbird. • FERNBIRD n. a small New Zealand bird. |
| FERNERIES | • ferneries n. Plural of fernery. • FERNERY n. a place where ferns are grown. |
| FERRITINS | • ferritins n. Plural of ferritin. • FERRITIN n. a protein in which iron is stored in the liver. |
| FINGERERS | • fingerers n. Plural of fingerer. • FINGERER n. one that fingers. |
| FIRSTBORN | • firstborn n. The first child to be born to a parent or family. • firstborn adj. Born as the first one in a family, flock or the like. • firstborn adj. Most excellent; most distinguished or exalted. |
| FRANSERIA | • franseria n. Any plant of the genus Franseria (now Ambrosia, ragweeds). • FRANSERIA n. any of a genus of West American plants of the composite family. |
| FRONTIERS | • frontiers n. Plural of frontier. • FRONTIER v. (Spenser) to border. |
| FURNISHER | • furnisher n. One who furnishes. • FURNISHER n. one who furnishes. |
| FURRINERS | • furriners n. Plural of furriner. • FURRINER n. a foreigner. |
| FURRINESS | • furriness n. The state or quality of being furry. • FURRINESS n. the state of being furry. |
| INFERIORS | • inferiors n. Plural of inferior. • INFERIOR n. one of lesser rank. |
| INFERRERS | • inferrers n. Plural of inferrer. • INFERRER n. one who infers. |
| INFORMERS | • informers n. Plural of informer. • INFORMER n. one that informs. |
| INFRAREDS | • infrareds n. Plural of infrared. • INFRARED n. a part of the visible spectrum, also ULTRARED. |
| REFRINGES | • refringes v. Third-person singular simple present indicative form of refringe. • REFRINGE v. (obsolete) to refract. |
| REFURNISH | • refurnish v. (Transitive) To furnish again; to get new furniture for. • refurnish v. (Transitive) To supply or provide anew. • REFURNISH v. to furnish again. |
| REINFORMS | • reinforms v. Third-person singular simple present indicative form of reinform. • REINFORM v. to inform again. |
| RENFIERST | • RENFIERST adj. (Spenser) made fierce. |
| WARFARINS | • warfarins n. Plural of warfarin. • WARFARIN n. a rat poison. |