THESAURUS
Posterior
aft, after, aftermost, afterpart, afterpiece, appendant, arse, ass, attendant, back, back door, back seat, back side, backside, backward, behind, bottom, breech, bum, butt, buttocks, cadet, consecutive, consequent, croup, crupper, derriere, ensuing, flack, following, haunches, heel, hind, hind end, hind part, hinder, hindermost, hindhand, hindhead, hindmost, junior, later, latter, lineal, nates, next, occiput, postern, postpositional, postpositive, proximate, puisne, rear, rear end, rearmost, rearward, retral, retrograde, reverse, rump, seat, sequacious, sequent, sequential, stern, subsequent, succeeding, successive, suffixed, tail, tail end, tailpiece, tuchis, younger
ROGET THESAURUS
Posterior
Sequence
N
sequence, coming after, going after, consecution, succession, posteriority, continuation, order of succession, successiveness, paracme, secondariness, subordinancy, afterbirth, afterburden, placenta, secundines, succeeding, v, sequent, subsequent, consequent, sequacious, proximate, next, consecutive, alternate, amoebean, latter, posterior, after, subsequently, behind, sequence, coming after, (time), following pursuit, follower, attendant, satellite, shadow, dangler, train, subsequent, next, succeeding, following, behind, in the rear, in the train of, in the wake of, after.
Posteriority
N
posteriority, succession, sequence, following, subsequence, supervention, futurity, successor, sequel, remainder, reversion, subsequent, posterior, following, after, later, succeeding, postliminious, postnate, postdiluvial, postdiluvian, puisne, posthumous, future, afterdinner, postprandial, subsequently, after, afterwards, since, later, at a subsequent, at a later period, at a later date, next, in the sequel, close upon, thereafter, thereupon, upon which, eftsoons, from that time, from that moment, after a while, after a time, in process of time.
Rear
N
rear, back, posteriority, rear rank, rear guard, background, hinterland, occiput, nape, chine, heels, tail, rump, croup, buttock, posteriors, backside scut, breech, dorsum, loin, dorsal region, lumbar region, hind quarters, aitchbone, natch, natch bone, stern, poop, afterpart, heelpiece, crupper, wake, train, reverse, other side of the shield, back, rear, hind, hinder, hindmost, hindermost, postern, posterior, dorsal, after, caudal, lumbar, mizzen, tergal, behind, in the rear, in the background, behind one's back, at the heels of, at the tail of, at the back of, back to back, after, aft, abaft, astern, sternmost, aback, rearward, ogni medaglia ha il suo rovescio, the other side of the coin.