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