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