Here's what rhymes with soapbubble.
double bubble publ trouble rubble stubble dirigible playable beatable addable redouble attachable vocable tamable damnable friable filtrable unplayable acquirable flyable vincible dividable uncharitable unbridgeable ignitable imperturbable exploitable nonviable unnameable containable unlikable compoundable unloveable conformable imperishable translatable indissoluble unarguable transmutable untranslatable indemonstrable Words that almost rhyme with soapbubble
puddle tuple couple subtle shuttle muddle suppl supple huddle cuddle cudgel rappel fuddle rebuttal scuttle decouple befuddle uncouple oversubtle thermocouple tunnel puzzle bustle tumble buckle chuckle jumble tional juggle tussle bumble pummel duckbill tamale tousle 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 bestowal grumble peduncle scuffle smuggle suboptimal phrasal snaffle snuggle trundle lungful rumple snuffle unbuckle mugful pinocle frontal triumphal colourful crustal nuptial lustful trustful crumple reshuffle heptagonal kerfuffle cupsful subcortical conformal honeysuckle carbuncle prenuptial duodecimal nonvocal prefrontal antifungal distrustful granduncle disgruntle mistrustful