Here's what rhymes with ncnn.
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 lawmen oilmen penmen anchormen conmen pitchmen middlemen comedienne handymen minutemen weathermen businessmen councilmen signalmen patrolmen tragedienne equestrienne Words that almost rhyme with ncnn
m em ng emf eng them gem hem femme heme mem rem feng sheng stem pm eadem hmm condemn morpheme ppm rpm diadem blaspheme cairn moderne demesne relearn ramequin fluorescein