Hyperborean rhymes with:
delorean, dorian, ecuadorean, ecuadorian, florian, gregorian, historian, ivorian, kerkorian, krikorian, lorean, nestorian, praetorian, pythagorean, salutatorian, singaporean, torian, torreon, valedictorian, victorian
delorean, dorian, ecuadorean, ecuadorian, florian, gregorian, historian, ivorian, kerkorian, krikorian, lorean, nestorian, praetorian, pythagorean, salutatorian, singaporean, torian, torreon, valedictorian, victorian