ĕs-se, to be; ab-s-ens (absent-), being away; fŭtūrus about to be: ess-ence (lit., being, existence), present, ent-ity, futurity, inter-est.
Făber (făbr-), workman; fabric-a, workshop: fabric, fabricate, forge (Fr.).
făci-es, form, face: facial, efface, super-ficies = sur-face (Fr.), façade (Fr.).
făci-o, (fact-), I make; ef-fĭci-o (effect-); făcil-is, easy: fact, fact-ion, fashion (Fr.), factor, pro-fici-ent, affect, defection, suffice, feat (Fr.), feature, facile, feasible (Fr.), faculty, artificer.
fall-o, (fals-), I deceive: fallacy, infallible, false, fail and fault (Fr.).
fānum, temple; fēstus, festal: fane, fanatic, pro-fane, festive.
fā-, speak—fāri (fāt-, fān-), to speak; fā-bula, tale; fā-ma, a report: in-fant, infantry, pre-face, fate, fatality, fable, affable, fabulous, infamous.
fē-, produce—fēmina, a woman; fēlix, happy: feminine, female, felicity.
fend-, strike, fend—occurs in compound verbs, e.g., de-fend-o, (-fens-), ward off: defend, offend, offence, fence, in-fes-t.
fĕr-o, (lāt-), I bear; fertilis, productive: fertile, in-fer, differ, elated.