| FEBRIFEROUS | • febriferous adj. Causing fever. • FEBRIFEROUS adj. causing or having fever, also FEBRIFIC. |
| FERRIFEROUS | • ferriferous adj. Containing iron. • FERRIFEROUS adj. bearing iron. |
| FIREFIGHTER | • firefighter n. A person who has been trained to put out fires. • fire␣fighter n. Alternative form of firefighter. • FIREFIGHTER n. a person who fights fires. |
| FIREPROOFED | • fireproofed v. Simple past tense and past participle of fireproof. • FIREPROOF v. to make proof against fire. |
| FOREFATHERS | • forefathers n. Plural of forefather. • FOREFATHER n. an ancestor. |
| FOREFINGERS | • forefingers n. Plural of forefinger. • FOREFINGER n. the finger next to the thumb. |
| FORFEITURES | • forfeitures n. Plural of forfeiture. • FORFEITURE n. the act of forfeiting. |
| OFFERTORIES | • offertories n. Plural of offertory. • OFFERTORY n. the part of the Eucharist during which the bread and wine are placed on the altar and any collection is taken. |
| REAFFORESTS | • reafforests v. Third-person singular simple present indicative form of reafforest. • REAFFOREST v. to plant with forest again. |
| REFORTIFIED | • refortified v. Simple past tense and past participle of refortify. • REFORTIFY v. to fortify anew. |
| REFORTIFIES | • refortifies v. Third-person singular simple present indicative form of refortify. • REFORTIFY v. to fortify anew. |
| REOFFENDERS | • reoffenders n. Plural of reoffender. • REOFFENDER n. one who reoffends. |