Yamaichi's rhymes with:
apache's, apaches, bertucci's, buchi's, chatihachi's, chattahoochee's, comanches, devinci's, domenici's, ritchey's, ritchie's, saatchi's, yamauchi's
Yamaichi's sounds like:
yahnke, yamaguchi, yamaichi, yamanaka, yamanouchi, yamasaki, yamauchi, yamauchi's, yamazaki, yams, yancey, yancy, yanes, yanez, yang, yanick, yanik, yanis, yanish, yank, yankass, yanke, yankee, yankee's, yankees, yankees', yankey, yanko, yankowski, yanks, yannick, yannuzzi, yawning, yawns, yeamans, yemen's, yen's, yeoman's, yeomans, yeung, ying, ynez, yniguez, yom's, yonce, yong, yongue, yonke, yonsei, youmans, younce, younes, young, young's, younge, youngs, younis, yuan's, yuma's, yummies, yung, yung's, yunich, yunis, yunk