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