Here's what rhymes with addiiional.
runnel tunnel funnel tional gunnel heptagonal Words that almost rhyme with addiiional
pummel tamale suboptimal duodecimal rubble rustle ruffle rappel double trouble couple muscle subtle bundle frontal bubble puzzle bustle muzzle shovel shuttle buckle chuckle muddle puddle rumble shuffle suppl supple hovel huddle hustle knuckle muffle mussel publ tuple cuddle cudgel juggle phrasal suckle tussle caecal truffle trundle guzzle nuzzle playable truckle lungful rumple tousle fuddle struggle humble jungle fungal tumble autumnal crumble crustal ductile jumble nuptial prefrontal rebuttal stubble ductal friable grumble lustful scuffle scuttle smuggle subtile fumble mumble pustule redouble bumble crumple decouple reshuffle snaffle snuggle bungle befuddle duckbill snuffle flyable gumball jugful tubful beatable mugful addable pinocle triumphal colourful stumble bestowal conformal damnable dirigible trustful unbridgeable attachable filtrable uncouple vocable unbuckle unlikable unplayable acquirable tumbrel vincible dividable tamable kerfuffle cupsful disgruntle subcortical honeysuckle peduncle uncharitable carbuncle prenuptial unnameable ignitable nonvocal oversubtle unloveable conformable imperishable distrustful thermocouple exploitable mistrustful nonviable unarguable containable granduncle compoundable antifungal imperturbable indissoluble translatable untranslatable transmutable indemonstrable