Yoichi rhymes with:
koichi, shoichi, aichi, ameche, beachy, beechy, chichi, chinnici, daiichi, dominici, eiichi, federici, ichi, keiichi, kenichi, kiichi, koichi, mainichi, mcgeachy, milici, morici, nietzsche, peachey, peachy, preachy, quilici, ricci, shinichi, shoichi, tatsukichi, teachey, tomiichi, tortorici, yamaichi
Yoichi sounds like:
y's, y.'s, yack, yacko, yacos, yagi, yahoos, yak, yake, yakusa, yass, yasso, yasuhiko, yasuo, yasushi, yasuyoshi, yauch, yax, yazzie, yeakey, yeas, yeck, yeosock, yes, yeses, yeske, yessuey, yew's, yikes, yoak, yockey, yoes, yoga, yogi, yoke, yokes, yokich, yoko, yokokohji, yoos, yoshi, yoshiaki, yoshihashi, yoshihisa, yoshikawa, yoshikazu, yoshio, yoshioka, yoss, yossi, yous, youse, yoyos, yu's, yucca, yuck, yucky, yugo, yugo's, yugos, yuhas, yuhasz, yuichi, yuk, yukio, yuko, yuks, yusko