null² /nul/

1. A knurl
2. A kink

To kink

• smock-frocks
• smocking
• smockings
• smock mill
• smock mills
• smock-race
• smock-races
• smocks
• smog
• smoggier
• smoggiest
• smoggy
• smogs
• smoile
• smokable
• smoke
• smoke abatement
• smoke abatements
• smokeable
• smoke alarm
• smoke alarms
• smoke and mirrors
• smoke ball
• smoke balls
• smoke-black