Here's what rhymes with unpolishable.
double bubble rubble imperishable stubble publ trouble friable redouble unbridgeable playable vocable unlikable flyable unloveable addable damnable uncharitable dirigible attachable unplayable acquirable vincible beatable dividable tamable imperturbable nonviable filtrable unarguable unnameable containable ignitable conformable indissoluble exploitable translatable untranslatable compoundable transmutable indemonstrable Words that almost rhyme with unpolishable
subtle shuttle suppl supple huddle fuddle couple muddle puddle rebuttal scuttle tuple cuddle cudgel rappel befuddle 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 reshuffle runnel snaffle snuggle guzzle nuzzle pummel duckbill gunnel snuffle tamale tousle gumball tubful struggle bundle frontal jungle crumble ductile bestowal ductal grumble pustule truffle bungle truckle duodecimal lungful rumple jugful tumbrel mugful kerfuffle pinocle autumnal colourful crustal nuptial honeysuckle lustful crumple trundle nonvocal unbuckle cupsful triumphal prefrontal conformal peduncle trustful prenuptial disgruntle antifungal distrustful suboptimal carbuncle mistrustful granduncle heptagonal subcortical