Here's what rhymes with perrenial.
genial congenial uncongenial Words that almost rhyme with perrenial
renal riyal legal lethal penal regal phenyl venal resole respell people illegal needle peaceful feeble fetal adrenal needful sequel beetle diesel fecal siecle thiol weasel weevil beadle gleeful phial beagle seagull wheal wheedle decal heedful teasel teazel unequal duodenal authorial deceitful feveral labial pineal steeple varietal coequal laypeople medieval retrieval primeval upheaval lacrimal notarial polyhedral bilabial enfeeble gonorrheal paralegal nonlegal nonlethal cathedral inositol requital canticle inveigle estradiol octahedral tetrahedral extralegal centripetal