knubble, nubble /nubˈl/ or knobble /nobˈl/

1. To beat with the fists
2. To knock

• crystallisable
• crystallisation
• crystallise
• crystallised
• crystallises
• crystallising
• crystallite
• crystallites
• crystallitis
• crystallitises
• crystallizable
• crystallization
• crystallize
• crystallized
• crystallizes
• crystallizing
• crystallogenesis
• crystallogenetic
• crystallographer
• crystallographers
• crystallographic
• crystallographically
• crystallography
• crystalloid
• crystalloids