| ELFIN | • elfin n. An elf; an inhabitant of fairy-land. • elfin n. A little urchin or child. • elfin n. Any of the butterflies in the subgenus Incisalia of the North American lycaenid genus Callophrys. |
| EXFIL | • exfil n. (Chiefly military) Clipping of exfiltration (“the act of going out of a place”). • exfil n. (Computing) Clipping of exfiltration (“covert extraction of data”). • EXFIL v. to remove (data) from a computer, network, etc. surreptitiously and without permission or unlawfully. |
| FELID | • felid n. (Zoology) Any member of the cat family (Felidae). • FELID n. (Latin) a member of the cat family, also FELINE. |
| FIELD | • field n. A land area free of woodland, cities, and towns; an area of open country. • field n. A wide, open space that is used to grow crops or to hold farm animals, usually enclosed by a fence… • field n. (Geology) A region containing a particular mineral. |
| FILED | • filed v. Simple past tense and past participle of file. • FILE v. to arrange in order for future reference. |
| FILER | • filer n. Agent noun of file; one who files something. • filer n. (Computing) A software program for managing files. • Filer prop.n. A surname. |
| FILES | • files n. Plural of file. • files v. Third-person singular simple present indicative form of file. • Files prop.n. Plural of File. |
| FILET | • filet n. Alternative form of fillet. • filet v. Alternative form of fillet. • FILET v. to cut boneless slices from, also FILLET. |
| FILLE | • FILLE n. (French) a girl. |
| FLEXI | • flexi n. (British English) Clipping of flexitime. • flexi n. Clipping of flexible. (Can we add an example for this sense?) • flexi- pref. Flexible. |
| FLIED | • flied v. (US, baseball) simple past tense and past participle of fly (hit a fly ball). • FLY v. to move through the air. |
| FLIER | • flier n. Alternative form of flyer (more common in US, except in the sense of "leaflet"). • flier v. Alternative form of flyer. • FLIER n. one that flies, also FLYER. |
| FLIES | • flies n. Plural of fly. • flies n. The open area above a stage where scenery and equipment may be hung. • flies v. Third-person singular simple present indicative form of fly. |
| FLITE | • flite n. (Dialectal) a quarrel, dispute, wrangling. • flite n. (Dialectal) a scolding. • flite v. (Dialectal) to dispute, quarrel, wrangle, brawl. |
| FOLIE | • FOLIE n. (French) madness. |
| LIEFS | • LIEF n. a beloved. |
| LIFER | • lifer n. A prisoner sentenced to life in prison. • lifer n. A prisoner sentenced to transportation for life. • lifer n. A person with a singular career path, especially in the military. |
| LIFES | • lifes n. (Obsolete, possibly not standard in any era) plural of life. • lifes v. Third-person singular simple present indicative form of life. • Lifes prop.n. Plural of Life. |
| RIFLE | • rifle n. (Weaponry) A firearm fired from the shoulder; improved range and accuracy is provided by a long, rifled barrel. • rifle n. (Military, usually in the plural, dated) A rifleman. • rifle n. (Weaponry) An artillery piece with a rifled barrel. |