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