Koreans' rhymes with:
koreans, koreans, korean's, koreans, eons, europeans, europeans', korean's, koreans, mcgeean's, paeans, peons, plebeians, sheehan's, sofians, tennesseans
Koreans' sounds like:
karan's, karanicki, kareem's, karema's, karen's, karnes, karnicki, karns, kazarian's, kearney's, kearns, keirns, kerins, kern's, kernes, kerns, kirmse, koernke, kohring, koranic, korean's, koreans, korenek, korinek, kormos, kornacki, kornegay, korns, koshering, krammes, kranich, krans, kranz, kraynak, krenek, krenik, krenke, krenz, krienke, kriminyok, kring, krings, krinke, krinsky, kroening, kroenke, kronick, kronish, kronk, kronos, kuriansky, kurinsky, kurumizowa, kurumizowa's