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