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