Aback rhymes with:
back, backe, bak, bakke, ack, adak, akc, attack, back, backe, bak, bakke, beaulac, black, brac, brack, brakke, braque, cac, caq, chirac, clack, crack, dac, dack, dak, dulac, fac, flack, flak, hack, hacke, haq, haque, jac, jack, knack, knick-knack, krack, kracke, kwak, lac, lack, lak, mac, mack, macke, mak, nack, nacke, pac, pack, pak, paque, plack, placke, plaque, post-attack, ptak, quack, rack, rak, repack, sac, sack, sak, schack, schlack, schnack, schrack, shack, shaq, slack, smack, snack, spack, spak, stac, stack, strack, stracke, tac, tack, tacke, tak, trac, track, trak, unpack, vanvlack, wack, whack, wrack, yack, yak, zach, zack, zak
Aback sounds like:
abacha, abaco, abacus, abash, abbas, abbasi, abbey's, abbs, abco, abex, abiquiu, abkhazia, abo's, above's, abs, abscess, abso, abuse, abuses, abuzz, abyss, abzug, affix, affixes, aipac, aipac's, apace, apache, apache's, apaches, apacs, apc, apc's, apec, apec's, apes, apex, apex's, aphasia, apiece, apogee, apopka, appease, apps, apsey, apso, apuzzo, avasso, avco, avice, avis, aviv's