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

• engine-fitters
• engineless
• engine-man
• engine-men
• enginer
• engineries
• engine-room
• engine-rooms
• enginers
• enginery
• engines
• engine-turned
• engine-turning
• engining
• engird
• engirding
• engirdle
• engirdled
• engirdles
• engirdling
• engirds
• engirt
• englacial
• englacially
• Englander