Isaacks rhymes with:
bowersox, arnox, bangkok's, benlox, bowersox, clorox, czechoslovaks, davox, hancox, heacox, hecox, hickcox, hickox, hiscox, jacox, kovach's, maalox, magnavox, murdoch's, murdock's, murdocks, reebok's, reeboks, shoebox, silcox, volvox, wilcox, xerox
Isaacks sounds like:
i's, i.'s, i.s, iacocca, iacocca's, iago, ice, ices, ich, ichi, ichikawa, ickes, ickes', icy, iezzi, ige, igo, igoe, igou, igushi, ihasz, ijaz, ikaes, ike, ike's, ikea, ikeuchi, ikey, ikie, ios, iosue, iowa's, is, isa, isaac, isaacs, isaak, isaiah, isay, isch, ischo, ise, ish, ishaq, ishee, ishi, ishi's, ishii, ishikawa, isis, issa, issac, issah, issie, issue, issue's, issues, issues', issy, isu, isuzu, iwaki, iwasaki, iwosaki, izzi, izzo, izzy, izzy's