null² /nul/

1. A knurl
2. A kink

To kink

• grayling
• graylings
• grays
• graywacke
• ice-foot
• ice-free
• ice front
• ice fronts
• ice hill
• ice hilling
• ice hills
• ice hockey
• ice house
• ice houses
• Iceland
• Iceland-dog
• Icelander
• Iceland falcon
• Icelandic
• Iceland moss
• Iceland poppies
• Iceland poppy
• Iceland spar
• ice-ledge
• ice lollies