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