duffer¹ /dufˈər/

1. An unskilful or worthless person (informal)
2. A fogey, a useless old fellow (informal)
3. A counterfeit coin
4. An unproductive mine

• khalifa
• khalifah
• khalifahs
• khalifas
• khalifat
• khalifate
• khalifates
• khalifats
• khalifs
• Khalka
• Khalkha
• Khalsa
• khamsin
• khamsins
• khan
• khanate
• khanates
• khanga
• khangas
• khanjar
• khans
• khansama
• khansamah
• khansamahs
• khansamas