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