Wabash's rhymes with:
newsflashes, alicia's, ashes, backlashes, backslashes, blushes, brainwashes, bushes, creches, croatia's, demolishes, dishes, embellishes, enmeshes, felicia's, fishes, flourishes, fuchsias, furbishes, furnishes, galoshes, garnishes, gashes, hamlisch's, hashes, impoverishes, katyushas, koresh's, lavishes, marcia's, marshes, matias, mattias, militia's, militias, natasha's, newsflashes, niclaneshia's, nourishes, osha's, pastiches, porsche's, publishes, punishes, pushes, relishes, rushes, russia's, scotia's, smoshes, splashes, thrushes, tricia's, trisha's, varnishes, whiplashes
Wabash's sounds like:
wabash, waives, waves, weaves, webb's, webbs, webs, weeps, whipkey, whipps, whips, whipsaw, whoops, wiebke, wiebusch, wife's, wipes, wives, wives', wobig, wops