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