Kassab rhymes with:
casseb, casseb, casseb, kosub, arab, ballclub, bathtub, bernabe, bizub, caleb, carob, casseb, cherub, diab, galeb, golob, golub, holub, hubbub, jacob, jacobe, jakab, jakob, kaneb, kosub, kozub, mccaleb, wachob
Kassab sounds like:
kabbah, kabi, kaifu, kapp, kappa, kashuba, kaszuba, kaufhof, kaup, kaupp, kauppi, kayapo, kazikaev, kcop, keef, keefe, keeffe, keep, kepp, khufu, kibbe, kibbee, kibbey, kibby, kibeho, kickoff, kief, kiev, kiff, kip, kipp, kivi, koba, kobe, koby, koep, koepp, koeppe, koff, kofi, kofu, koob, koop, kope, kopf, kopp, koppe, kopy, kosbie, kosecoff, kosiba, kosovo, kosub, kosyakov, kouba, kozub, kuba, kube, kubo, kuby