duffer vs gaum

duffer

• An incompetent, indolent, or clumsy person. 

• Any of various nymphalid butterflies of the genus Discophora. 

• A player having little skill, especially a golfer who duffs. 

• A racing pigeon that does not perform well. 

• A cow that does not produce milk. 

gaum

• A useless person. 

• A bit, a small amount. 

• Heed; attention. 

• Grime. 

• To smear.