Here's what rhymes with cairn.
moderne relearn Words that almost rhyme with cairn
elm realm helm whelm overwhelm underwhelm n en ken then when men again ten den pen hen ben sen yen againe fn glen pn wen wenn chen denn fen jen ren wren cayenne amen demesne lawmen oilmen conmen ramequin fluorescein penmen anchormen pitchmen comedienne weathermen middlemen councilmen signalmen handymen minutemen businessmen patrolmen tragedienne equestrienne