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