Kobus rhymes with:
jacobus, globus, jacobus, vobis, airbus, albus, barnabas, bierbusse, bulbous, cannabis, columbus, columbus', debose, faubus, globus, harquebus, ibis, jacobus, nimbus, omnibus, paribas, phebus, phoebus, pluribus, rebus, sorbus, syllabus, turbas, vobis
Kobus 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, kobza, koepke, koop's, koops, kopacz, kopas, kopec, kopecky, kopek, kopeks, kopischke, kopka, kopke, kopko, koppes, kops, kovac, kovach, kovach's, kovacic, kovacich, kovacik, kovack, kovacs, kovaks, kovich, kubacki, kubas, kubes, kubiak, kubic, kubica, kubicek, kubick, kubicki, kubik, kubis, kubisiak, kupek, kupiec, kupka