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