Here's what rhymes with morphonemes.
phonemes Words that almost rhyme with morphonemes
phoneys ponies coneys hoagies neuroses cronies baronies toadies dogies roadies cozies homeys moseys trophies snowfields trollies macaronies toasties ceremonies anchovies somebodies jalopies homebodies bluenoses testimonies goldfields prognoses cosmogonies patrimonies diagnoses hypertrophies physiognomies misdiagnoses