Here's what rhymes with nonprepositional.
positional prepositional additional oppositional propositional traditional transitional volitional depositional dispositional conditional compositional definitional nontraditional cognitional inquisitional nutritional unconditional Words that almost rhyme with nonprepositional
provisional divisional medicinal fictional original syllable frictional polygonal finagle individual political criminal typical visible visual digital miracle aboriginal occipital pitiful pinnacle thinkable binnacle spiracle tillable billable nonfictional steerable biddable fixable winnable sinkable clinical biblical mythical permissible juridical pivotal satirical unthinkable despicable divisible jurisdictional derivable miscible livable antipodal unoriginal pinochle thimbleful unsinkable kissable refillable shrinkable bridgeable mixable principle principal invisible reciprocal irresistible admissible episcopal hospitable invincible transcriptional biophysical geophysical pontifical quizzical diacritical drinkable printable resistible transmittable unlivable utilisable ignitible predictable unpredictable equivocal explicable inadmissible subclinical transmissible forgivable undrinkable unprintable extricable nonrefillable relivable municipal inexplicable unequivocal psychophysical archiepiscopal unforgivable astrophysical nonclinical nonreciprocal