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