Osakowa rhymes with:
aircoa, excoa, achoa, aircoa, baidoa, balboa, batticaloa, boa, excoa, figaroa, figueroa, gamboa, goa, kurumizowa, kyowa, noa, noaa, noah, novoa, occhoa, ochoa, parazoa, protozoa, roa, samoa, sapoa, shenandoah, showa, sowa, stalowa, toa, ulloa, veroa, whampoa
Osakowa sounds like:
o'hashi, o'kicki, o's, o'shea, o.'s, o.s, o.s', oak, oak's, oakes, oakey, oaks, oaks', oaky, oas, oases, oasis, oaxaca, ocasio, ocaw, ocaw's, occhoa, occhoa's, och, ochoa, ochs, oesch, og, ogawa, ogg, oh's, ohashi, ohio's, ohs, oishi, oj, oja, oji, ok, oka, okasaki, okay, okays, okaz, okazaki, okey, oki, okie, okwu, oohs, ooohs, ooze, oozes, os, osage, osages, osaka, osake, osaki, osakowa's, osco, ose, osh, osha, osha's, oshawa, oshea, oshkosh, osiecki, osika, osowski, oss, ossa, osso, osuch, oswego, ouaga, ouch, owes, owosso, ox, oxoco, oxy, oz, ozaki, ozawa, ozga, ozick, ozick's, ozzie