| AFTERMAST | • aftermast n. (Nautical) A mast located towards the stern of a ship. • AFTERMAST n. the mast nearest the stern. |
| AIRFRAMES | • airframes n. Plural of airframe. • AIRFRAME n. the body of an aircraft as opposed to its engine. |
| FACEMAILS | • facemails n. Plural of facemail. • FACEMAIL n. electronic mail delivered by a computer generated face. |
| FACEMASKS | • facemasks n. Plural of facemask. • face␣masks n. Plural of face mask. • FACEMASK n. a device to shield the face. |
| FACEPALMS | • facepalms n. Plural of facepalm. • facepalms v. Third-person singular simple present indicative form of facepalm. • face-palms n. Plural of face-palm. |
| FARMSTEAD | • farmstead n. The main building of a farm. • farmstead n. A farm, including its buildings. • FARMSTEAD n. a farmhouse with buildings belonging to it. |
| FLAMBEAUS | • flambeaus n. Plural of flambeau. • FLAMBEAU n. (French) a flaming torch. |
| FLATMATES | • flatmates n. Plural of flatmate. • FLATMATE n. a person with whom one shares a flat. |
| FRAMBESIA | • frambesia n. Yaws, the disease. • FRAMBESIA n. a tropical skin disease, aka yaws, also FRAMBOESIA. |
| FUMARASES | • fumarases n. Plural of fumarase. • FUMARASE n. an enzyme that catalyses the interconversion of fumaric or malic acid and their salts. |
| FUMARATES | • fumarates n. Plural of fumarate. • FUMARATE n. a salt of fumaric acid. |
| MAKEFASTS | • makefasts n. Plural of makefast. • MAKEFAST n. an object to which a boat is tied. |
| SAFETYMAN | • SAFETYMAN n. a type of defensive player in American football. |
| SHAMEFAST | • shamefast adj. (Archaic) Bashful, modest; shy. • SHAMEFAST adj. modest, bashful, also SHAMEFACED. |