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