Word Unit: frug-, fruct- (Latin: fruit; from Old French fruit, from Latin fructus, "fruit, produce, profit" from frug-, stem of frui, "to use, to enjoy".)
Word Unit: frustrat-, frustra- (Latin: in vain, in error; to deceive, to disappoint)
Word Unit: frutic-, frut- (Latin: shrub)
Word Unit: fuci-, fuc- (Greek > Latin: rock lichen, seaweed; red paint, rouge)
Word Unit: fuel + (Latin: producing energy; primarily by burning)
Word Unit: Fuel Cells: The Future Source of Fuel Operations? (converting fuel into electricity for power storage)
Word Unit: fug-, -fuge, -fugit (Latin: drive away, flee, fly, run away)
Word Unit: fulg-; fulmi- (Latin: to shine, to flash, to glow, to burn; fulmi-, lightning, thunder forth, denounce; related to fulg-)

Etymologically related "light, shine, glow" word families: ethero-; luco-; lumen-, lum-; luna, luni-; lustr-; phengo-; pheno-; phospho-; photo-; scinti-, scintill-; splendo-.

Cross references of word groups that are related, directly, indirectly, or partly to: "fire, burn, glow, or ashes": ars-, ard-; -bust; cand-, cend-; caust-, caut-; crema-; ciner-; ether-; flagr-; flam-; focus, foci-; gehenna-; ign-; phleg-; phlog-; pyreto-, -pyrexia; pyr-; spod- (ashes; waste); volcan-.

Word Unit: fulgur- (Latin: lightning; flashing)

Cross references of word groups that are related, directly or indirectly, to: "lightning and/or thunder": astrapo-; bronto-; cerauno-, kerauno-; tonitro-, tonitru-.

Word Unit: fumi-, fum- (Latin: smoke, vapor)

Capno or smoke words. See other related smoke pages at this capno- unit.


Inter-related cross references, directly or indirectly, involving word units dealing with "smoke, smoking": atmido-; capno; Capnomania & Fumimania, Pt. 1; Capnophobia & Fumiphobia, Pt. 1; nebula-; typho-.

Word Unit: funct-, fungi- (Latin: to perform, to execute, to discharge; performance, service, execution)
Word Unit: fundu-, fundus-, fund-, found- + (Latin: bottom, base; and with special reference to financial applications, "piece of land")
Word Unit: funer-, funero-, fun- (Latin: burial; death rites, burial ceremony)

Cross references of word groups that are related, directly or indirectly, to: "bury, burial, cemetery, grave; sleeping place": coimetro-; Epitaphs; sepulc-; sheol; tapho-.

Word Unit: fungi-, fung- + (Latin: mold, mushroom; any of a group of plants including mushrooms, molds, mildews, etc.)

A cross reference of a word group that is related, directly or indirectly, to: "fungus, fungi": myco-.

Word Unit: funi-, fun- (Latin: rope, cord)
Word Unit: fur-, furi- (Latin: to rage, to be mad [insane with anger]; sometimes, general enthusiasm, passion)

Cross references of word families that are related directly, or indirectly, to: "anger, angry; rage, wrath, fury; rave": ira-; lysso-; mania-; rab-, rav-.

Word Unit: furac- (Latin: steal, pilfer; thievish, kleptomania, thief)
Word Unit: furcat-, furca- (Latin: fork, diverge, angle, split into two parts or branches)
Word Unit: fus-, fun-, fund-, fut-, found- (Latin > French: pour, melt, blend)
Word Unit: fusc- (Latin: dark, to make dark; black; brown, tawny)