Here's what rhymes with morphemeinitial.
initial official beneficial judicial unofficial nonofficial semiofficial superficial interstitial nonjudicial artificial sacrificial prejudicial nonprejudicial extrajudicial Words that almost rhyme with morphemeinitial
missile missal civil whistle chisel thistle fissile sisal riffle sizzle fizzle sniffle piffle epistle gingival bristle drizzle swivel shrivel uncivil drivel gristle antimissile grizzle frizzle skiffle dismissal bellyful middle nickel nipple nibble niggle little fiddle mingle riddle ripple sickle fickle nimble vigil virile wishful chiral giggle pickle tickle tittle wiggle wriggle diddle sibyl tipple whittle chicle jiggle dibble kibble miscall piddle simple single signal symbol fiscal cheerful distal fearful brittle dismal pistol sinful triple ventricle pixel wilful cripple fitful kindle shingle tearful trickle willful committal jingle liminal lintel quibble thimble tingle tinkle tinsel wrinkle cymbal dimple dribble griddle pistil spittle hymnal pimple prickle stipple dingle mistral twiddle vendible wimple schnitzel skittle winkle dirndl crystal familial spindle lingual skillful acquittal minstrel pedicle twinkle wistful abysmal belittle dwindle scribble swindle intermingle brimful fistful brindle commingle crinkle timbrel squiggle skinful brimfull provincial bilingual blissful sprinkle noncommittal rekindle transmittal unskillful megacycle pumpernickel basinful baptismal monolingual oversimple surcingle participle paroxysmal multilingual sublingual periwinkle cataclysmal