knubble, nubble /nubˈl/ or knobble /nobˈl/

1. To beat with the fists
2. To knock

• watch key
• watch keys
• watch light
• watch lights
• watch like a hawk
• watch list
• watchmaker
• watchmakers
• watchmaking
• watchmakings
• watchman
• watchman's clock
• watchmen
• watch night
• waterinesses
• watering
• watering-call
• watering-calls
• watering can
• watering cans
• watering-cap
• watering-caps
• watering hole
• watering holes
• watering-house