knubble, nubble /nubˈl/ or knobble /nobˈl/

1. To beat with the fists
2. To knock

• hollos
• hollow
• holloware
• hollowed
• hollower
• hollowest
• hollow-eyed
• hollow-ground
• hollow-ground slide
• hollow-ground slides
• hollow-hearted
• hollowing
• hollowly
• hollowness
• hollownesses
• hollows
• hollow-ware
• holly
• holly-fern
• holly-ferns
• hollyhock
• hollyhocks
• holly-oak
• holly-oaks
• Hollywood