Here's what rhymes with yowi.
cowrie frowzy towhee Words that almost rhyme with yowi
lousy rowdy houri loudly hourly cloudy dowry drowsy downy gouty brownie dowdy grouchy frowsy mousy howdy jowly mouthy slouchy mousey townie townee grouchier county bounty proudly roundly sourly bouncy dourly flouncy soundly foundry stoutly debauchee housefly scroungy devoutly profoundly unsoundly paramountcy