fatidic (en)

(adjective) of or relating to prophecy

fatum (la)

I think this just means fate. Can also mean: utterance, declaration, proclamation, prediction

favonian (en)

(adjective) of or relating to the west wind; mild

fedayeen (en)

Arab guerrillas operating especially in Israel and Palestine against the Israeli government, and in Iraq against the occupying coalition forces during and after the Second Gulf War

fescennine (en)

(adjective) scurrilous obscene

festoon (en)

(verb) adorn (a place) with ribbons, garlands, or other decorations; (verb) a chain or garland of flowers, leaves, or ribbons, hung in a curve as a decoration

fettle (en)

(noun) state or condition of health, fitness, wholeness, spirit, or form / (verb) to cover or line the hearth of (as a reverberatory furnace) with loose material (as sand or gravel)

fideism (en)

(noun) reliance on faith rather than reason in pursuit of religious truth

fideist (en)

(noun) reliance on faith rather than reason in pursuit of religious truth

filiation (en)

the fact of being or of being designated the child of a particular parent or parents

finagle (en)

(verb) obtain (something) by devious or dishonest means

finial (en)

(noun) a usually foliated ornament forming an upper extremity especially in Gothic architecture / (noun) a crowning ornament or detail (as a decorative knob)

fixism (en)

the non-scientific theory that the species alive today are identical to those of the past and that evolution does not happen

flagitious (en)

(adjective) marked by scandalous crime or vice; villainous

flitches (en)

(noun) a side of cured meat / (noun) a side of bacon / (noun) a longitudinal section of a log

flocculence (en)

flakiness; containing or made up of small particles that have been aggregated

flummery (en)

(noun) a soft jelly or porridge made with flour or meal / (noun) any of several sweet desserts / (noun) mummery mumbo jumbo

foible (en)

a minor weakness or eccentricity in someone's character

forfend (en)

(verb) forbid / (verb) to ward off; prevent / (verb) protect preserve

fossick (en)

(verb) to search for gold or gemstones typically by picking over abandoned workings / (verb) to search about; rummage / (verb) to search for by or as if by rummaging; ferret out

frabjous (en)

(adjective) delightful; joyous [humorous]

frangible (en)

(adjective) readily or easily broken

Freytag's pyramid (en)

the structure of a dramatic work such as a play or film (exposition, rising action, climax, falling action, denouement)

fugue state (en)

rare psychiatric disorder characterized by reversible amnesia for personal identity, including the memories, personality, and other identifying characteristics of individuality

fulguration (en)

(noun) the act or process of flashing like lightning / (noun) electrodesiccation