Here's what rhymes with interregional.
regional Words that almost rhyme with interregional
paracetamol seasonal believable agreeable feasible appreciable peaceable readable unbelievable achievable reachable perceivable cleanable freezable unreasonable receivable interpretable redeemable treatable unreadable indefeasible teachable unfeasible useable inappreciable teetotal uneatable nonseasonal teacupful resealable conceivable disagreeable inconceivable foreseeable unspeakable irretrievable repeatable irredeemable unbeatable retrievable unteachable concealable squeezable unuseable unforeseeable impeachable nonredeemable unimpeachable unrepeatable