adversative, adverse, adversive, ally, alter ego, analogon, analogue, antagonistic, anteriority, anti, antipathetic, antipodal, antipode, antipodes, antipole, antithesis, antithetic, antonym, antonymous, associate, at cross-purposes, balancing, bold front, brave face, brave front, brother, clashing, close copy, close match, cognate, companion, compensating, complement, conflicting, confronting, congenator, congener, contra, contradictory, contradistinct, contrapositive, contrarious, contrary, contrasted, converse, coordinate, correlate, correlative, correspondent, counter, counterbalance, counterbalancing, countercheck, counterpart, counterpoint, counterpoise, counterpoised, counterpole, counterterm, countervailing, dead against, discordant, discrepant, display, equivalent, eyeball-to-eyeball, eyeball to eyeball, facade, face, facet, facia, facing, fellow, foil, fore, forefront, foreground, forehand, foreland, forepart, forequarter, foreside, foreword, front, front elevation, front man, front matter, front page, front view, frontage, frontal, frontier, frontispiece, head, heading, heads, hostile, image, inconsistent, inimical, inverse, kindred spirit, lap, like, likeness, mate, near duplicate, offset, opposed, opposing, opposite, opposite number, opposite side, oppositional, oppositive, oppugnant, other face, other side, parallel, pendant, perverse, picture, polar, polaric, polarized, preface, prefix, priority, proscenium, reciprocal, repugnant, reverse, second self, setoff, similitude, simulacrum, sister, soul mate, squared off, such, suchlike, tails, tally, the contrary, the like of, the likes of, the other side, twin, vis-a-vis, window dressing