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