Yams rhymes with:
am's, ambs, ams, brams, cam's, clams, crams, dam's, damns, dams, drams, exams, grahams, gramm's, gramms, grams, hammes, hams, jam's, jams, krammes, lamb's, lambs, lambs', lamm's, mesdames, pam's, rams, sam's, samms, sams, scams, slams, tambs, trams
Yams sounds like:
yahnke, yamaguchi, yamaichi, yamaichi's, yamanaka, yamanouchi, yamasaki, yamauchi, yamauchi's, yamazaki, 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