Abbas rhymes with:
bos, boss, bosse, aase, alsace, blas, bos, boss, bosse, clos, crosse, daas, dazs, demoss, devoss, floss, foss, fosse, gosse, grosse, haas, haase, haass, hahs, hamas, hamas', hammas, hammas', hasse, hoss, kjos, klaas, klos, kos, lacoss, lafosse, las, maass, mohs, os, pos, ross, ross', rosse, semigloss, tomas, vanoss, vohs, vos, vyas
Abbas sounds like:
abacha, aback, abaco, abacus, abash, 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