| EIGHTFOIL | • eightfoil n. (Heraldry) An octofoil. • EIGHTFOIL n. an eight-leaved flower. |
| FAITHINGS | • FAITHING n. the act of believing. |
| FIGHTINGS | • fightings n. Plural of fighting. • FIGHTING n. the act of one that fights. |
| FIREFIGHT | • firefight n. A skirmish involving an exchange of gunfire. • fire-fight n. Alternative form of firefight. • FIREFIGHT n. an intense exchange of gunfire. |
| FIRELIGHT | • firelight n. The light of a fire, such as from a campfire or fireplace. • FIRELIGHT n. the light of a (usually domestic) fire. |
| FISTFIGHT | • fistfight n. A fight using bare fists. • fistfight v. To fight using bare fists. • fist-fight n. Alternative form of fistfight. |
| FLIGHTIER | • flightier adj. Comparative form of flighty: more flighty. • FLIGHTY adj. fickle. |
| FLIGHTILY | • flightily adv. In a flighty manner. • FLIGHTY adv. fickle. |
| FLIGHTING | • flighting v. Present participle of flight. • FLIGHT v. to migrate in a flock. |
| FLITCHING | • flitching v. Present participle of flitch. • FLITCH v. to cut into strips. |
| FRICHTING | • FRICHT v. (Scots) to frighten. |
| FRIGHTING | • frighting v. Present participle of fright. • FRIGHT v. to make afraid, to scare, also FRIGHTEN. |
| INFIGHTER | • infighter n. A person who engages in infighting. • INFIGHTER n. one who fights at close quarters. |
| NIGHTFIRE | • nightfire n. A fire that is lit outdoors at night. • nightfire n. Will o’ the wisp. • NIGHTFIRE n. a fire burning at night; a will-o'-the-wisp. |
| NIGHTLIFE | • nightlife n. Nocturnal activities, especially visiting nightclubs. • NIGHTLIFE n. life that goes on at night. |
| SHIFTINGS | • shiftings n. Plural of shifting. • SHIFTING n. the act of shifting. |
| STINGFISH | • stingfish n. Any of several species of scorpionfish. • STINGFISH n. the weever fish, also STINGBULL. |