knubble, nubble /nubˈl/ or knobble /nobˈl/

1. To beat with the fists
2. To knock

• grapier
• grapiest
• graping
• graple
• grapled
• graplement
• graplements
• graples
• grapling
• grapnel
• grapnels
• GRAPO
• Grapo
• grappa
• grappas
• grapple
• grappled
• grapple-plant
• grapple-plants
• grappler
• grapplers
• grapples
• grappling
• grappling-hook
• grappling-iron