-a = termination of adjectives. acxet-i = to buy. -ad = suffix denoting continued action. aer-o = air. ag-i = to act. -ajx = suffix denoting concrete substance. ajn = (what)ever; _kiu ajn_, whoever. al = to. ali-a = other. almenaux = at least. alt-a = high. am-i = to love. amas-o = crowd, mass. ankaux = also. ankoraux = still. anstataux = instead of. -ant = present participle active. antaux = before (time and place). apart-a = special. apud = at. -ar = suffix denoting a collection. arb-o = tree. -as = ending of present tense. auxd-i = to hear.
baldaux = soon. bed-o = flower bed. bel-a = fine, beautiful. bezon-o = need. blank-a = white. bon-a = good. bord-o = edge, shore. bril-i = to shine. burgxon-o = bud.
cel-o = object, aim. cerb-o = brain. cert-a = certain.
cxagren-o = trouble. cxar = for, because. cxe = at. cxes-i = to cease. cxi = added to demonstrative _tiu_, expresses nearer connexion: _tiu_ = that; _tiu cxi_ = this. cxiam = always. cxie = everywhere. cxirkaux = around. cxiu = all, each, every. cxu = interrogative particle.
da = used after words of quantity: Ex. _multe da vino_, much wine. dauxr-i = to last, continue. de = of, from, by (with passive). des = comparative particle; _ju...des_, the...the: Ex. _ju pli des pli bone_, the more the better. dev-i = to owe, to be obliged to. deviz-o = device, motto. difekt-i = to spoil. dir-i = to say. dom-o = house. don-i = to give. du = two. dub-i = to doubt. dum = whilst.
-e = ending of adverbs. eben-a = flat, level. -ebl = suffix denoting possibility. -ec = suffix denoting abstract quality: _bon-ec-o_, goodness. ecx = even. edz-(in)-o = husband (wife). -eg = suffix denoting great size. -ej = suffix denoting place. ek- = prefix denoting beginning. ekster = outside. el = out of. -em = suffix denoting propensity. en = in. entrepren-i = to undertake. enu-i = to weary, bore. esper-i = to hope. Esperant-o = Esperanto. est-i = to be. -et = suffix denoting little. etend-i = to stretch.
facil-a = easy. fajr-o = fire. fakt-o = fact. far-i = to do. fenestr-o = window. ferm-i = to shut. fil-o = son. fin-o = end. flank-o = side. fleg-i = tend. flu-i = flow. flug-i = to fly. foj-o = time; _du fojoj_, twice. foli-o = leaf. for = away. forn-o = oven. frat-o = brother. fraz-o = sentence. frenez-o = madness. fru-a = early. frukt-o = fruit.