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