Word Unit: fals-, fall- (Latin: deception, untrue, incorrect; deceiving; contrary to truth and fact; lie)
Word Unit: fam- (Latin: fames, hunger, starvation)
Word Unit: famil- (Latin: servant, domestic, part of a household ; members of a group; close relationships)
Word Unit: fanati-, fanat-, fan- (Latin: from fanum, "temple"; a temple or a place of worship)

Related religious-word units: church; dei-, div-; ecclesi-; hiero-; idol-; -olatry; theo-; zelo-.

Word Unit: farc-, fars- (Latin: to plug up or to cram, to stuff; by extension, practical joke, sham; fiasco)

Related "jest; joke; wit; humor; funny" word units: faceti-; humor-; jocu-; lud-; satir-.

Word Unit: -farious (Latin: to speak; utterance, expression, manifestation; expressed in a number of ways)
Cross references of word families related directly, or indirectly, to: "talk, speak, speech; words, language; tongue, etc.": cit-; clam-; dic-; fa-; glosso-; glotto-; lalo-; linguo-; locu-; logo-; loqu-; mythico-; -ology; ora-; -phasia; -phemia; phon-; phras-; Quotes: Language,Part 1; Quotes: Language, Part 2; Quotes: Language, Part 3; serm-; tongue; voc-.

Word Unit: fasci-, fascio-, fasc-, fascia- (Latin: band, bandage; bundle, bunch; used in the extended sense of "pertaining to the fascia", a band or sheet of fibrous tissue providing a subcutaneous covering for various parts of the body)
Word Unit: fascinat-, fascina- (Latin: to enchant, to bewitch, to charm)
Word Unit: fastidi- (Latin: loathing, disgust, excessively critical, fussy, hard to please)
Word Unit: Fates and their Decisions (The Greek goddesses of destiny)

Cross references of word families that are related directly, or indirectly, to: "divination, diviner; seer, soothsayer, prophecy, prophesy, prophet": augur-; auspic-; futur-; -mancy; omen; -phemia; sorc-, sorcery; vati-.

Word Unit: fatig- (Latin: tiredness, weary, weariness, exhaustion)
Word Unit: faun-, fauni-, fauna-, -fauna (Latin: animal; a collective name for the animals of a certain region or time)

Related "animal" units: anima-; therio-; zoo-.

Word Unit: favor- (Latin: good will or support; to show kindness to; to be inclined toward good will, to befriend)
Word Unit: febri-, febr- + (Latin: fever)
Word Unit: febril-, febrill- + (Latin: a minute fiber or filament; often a component of a compound fiber)
Word Unit: feco-, fec-, faeco-, faec-, feci- + (Latin: excrement, dung; from faeces, plural of faex, "dregs, sediment")
Word Unit: fecund- (Latin: fruitful, fruitfulness; fertile, fertility)
Word Unit: feli-, felin-, felino- (Latin: cat, cats)

Cross references of word families that are related directly, or indirectly, to: "cat, cats": aeluro-, eluro-; cat; galeo-; gato-.

Word Unit: felici-, felicit- (Latin: happy, fortunate)
Word Unit: fellat- (Latin: suck, to suck)