Karatsu rhymes with:
komatsu, tsu, ensue, komatsu, pursue, siew, sioux, soo, su, sue, tsu
Karatsu sounds like:
kaisertech, kaisertech's, karadzic, karadzic's, karatz, kardos, kariotis, kartes, karydakis, keiretsu, kerridge, kertesz, kertz, keywords, kirts, korotich, kortz, kraatz, kratky, kratz, kratzke, krawitz, kreitz, kretsch, kretz, kreutz, kritz, krotz, krowitz, krutick, krutz, kurdish, kurds, kurtis, kurtz