Here's what rhymes with nonoppositional.
oppositional positional additional traditional transitional compositional propositional volitional depositional conditional nutritional prepositional definitional dispositional nontraditional cognitional inquisitional unconditional Words that almost rhyme with nonoppositional
provisional divisional medicinal fictional original syllable aboriginal frictional polygonal finagle political criminal typical visible visual digital miracle occipital pitiful pinnacle thinkable binnacle spiracle tillable billable nonfictional steerable biddable fixable winnable sinkable individual 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 admissible episcopal hospitable invincible transcriptional biophysical geophysical pontifical subclinical quizzical diacritical drinkable nonclinical printable resistible transmittable unlivable ignitible nonrefillable irresistible predictable equivocal explicable transmissible archiepiscopal astrophysical forgivable nonreciprocal undrinkable unprintable utilisable extricable relivable municipal unpredictable unequivocal inadmissible psychophysical unforgivable inexplicable