Keirns rhymes with:
acorn's, acorns, adorns, airborne's, arns, barnes, barns, behrns, bighorns, born's, borns, bullhorns, byrns, cairnes, cairns, carnes, carns, claiborne's, corns, darns, farnes, forewarns, fornes, garnes, hawthorne's, hawthorns, horn's, horns, karnes, karns, layborne's, leghorns, longhorns, mourns, newborns, osborne's, parnes, scorns, starnes, starns, thorn's, thorns, varnes, warnes, warns, yarns, zornes
Keirns sounds like:
karan's, karanicki, kareem's, karema's, karen's, karnes, karnicki, karns, kazarian's, kearney's, kearns, kerins, kern's, kernes, kerns, kirmse, koernke, kohring, koranic, korean's, koreans, 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