Onawa rhymes with:
kanawa, okinawa, arakawa, fujikawa, fujisawa, furukawa, hasegawa, hosakawa, hosokawa, ichikawa, ishikawa, kagawa, kanawa, kanazawa, karasawa, kawa, kitagawa, kujawa, kurokawa, kurosawa, kurzawa, maekawa, mahwah, matsukawa, misawa, miyagawa, miyazawa, momokawa, morikawa, nakagawa, ninagawa, nishikawa, nishizawa, nogawa, ogawa, okinawa, oshawa, ozawa, shimokawa, terasawa, tonegawa, udagawa, yoshikawa, zabawa
Onawa sounds like:
o'hanian, o'mahoney, o'mahony, oana, oanh, oehme, oehmen, oeien, ohanian, ohioan, ohm, ohmae, ohman, ohmann, oien, oma, omaha, omahoney, omahony, oman, omani, omen, ommen, omni, omonia, on, ona, onan, one, one-way, oney, onion, onnen, onni, onno, ono, oona, owen, own, oyama, oyen