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