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