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