Here's what rhymes with rnfn.
then hen sen fn fen when men ten den pen ben ken yen pn wen wenn chen denn jen ren wren again againe glen amen cayenne lawmen oilmen penmen pitchmen weathermen middlemen minutemen anchormen conmen businessmen comedienne handymen councilmen patrolmen signalmen tragedienne equestrienne Words that almost rhyme with rnfn
them hem femme heme feng sheng stem gem mem rem hmm pm morpheme eadem blaspheme condemn ppm rpm diadem cairn moderne demesne fluorescein relearn ramequin