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