Kovach's rhymes with:
czechoslovaks, czechoslovaks, davox, magnavox, volvox, arnox, bangkok's, benlox, bowersox, clorox, czechoslovaks, davox, hancox, heacox, hecox, hickcox, hickox, hiscox, isaacks, jacox, maalox, magnavox, murdoch's, murdock's, murdocks, reebok's, reeboks, shoebox, silcox, volvox, wilcox, xerox
Kovach's sounds like:
kabuki, kafka, kafka's, kafkaesque, kaposi, kaposi's, kappes, kappus, kaps, keeps, keepsake, keepsakes, kepco, kevex, kickback, kickbacks, kiev's, kippes, kishbaugh, kobak, kobayashi, kobe's, kobes, kobs, kobus, kobza, koepke, koop's, koops, kopacz, kopas, kopec, kopecky, kopek, kopeks, kopischke, kopka, kopke, kopko, koppes, kops, kovac, kovach, kovacic, kovacich, kovacik, kovack, kovacs, kovaks, kovich, kubacki, kubas, kubes, kubiak, kubic, kubica, kubicek, kubick, kubicki, kubik, kubis, kubisiak, kupek, kupiec, kupka