Zack's rhymes with:
zacks, antitax, attacks, ax, axe, backes, backs, bax, black's, blacks, blacks', cac's, caq's, chirac's, cracks, dacs, dax, dax', fax, flax, hacks, haq's, jack's, jacks, jaques, knacks, knick-knacks, lac's, lacks, lax, mac's, mack's, macks, macs, max, maxx, neoax, pac's, packs, pacs, pak's, pax, plack's, plaques, plax, pretax, quacks, racks, rax, relax, sachs, sachs', sacks, sacs, saks, sax, saxe, shacks, slacks, smacks, snacks, stac's, stacks, tacks, tax, track's, tracks, trax, ty-sachs, vax, wacks, wax, whacks, yax, zacks
Zack's sounds like:
z, z's, z., z.'s, zaccheus, zacek, zach, zachi, zachow, zack, zacks, zag, zagha, zags, zajac, zajic, zajicek, zajkowski, zak, zaki, zaske, zaucha, zaugg, zawacki, zayac, zayas, ze, zea, zecca, zech, zeck, zee, zeek, zeese, zeh, zeis, zeiss, zekauskas, zeke, zeos, zeus, zewe, zhao, zhou, zhu, zhuhai, zi, zia, zia's, ziahe, zich, zick, zico, zieg, zieske, zig, zig-zag, zigzag, zigzags, zika, zike, zisa, zises, zisk, ziska, ziwei, zizzo, zoch, zoe, zogg, zoh, zoo, zoo's, zook, zoos, zoss, zoucha, zsa, zsa-zsa, zsazsa, zschau, zucco, zuch, zuchowski, zuck, zue, zue's, zuege, zug, zug's, zuk, zukas, zukowski, zuzu, zwack, zweig, zwick, zwicky, zwieg, zych, zysk, zyskowski