1. A contorted knot in wood; a cross-grained protuberance; a nodule; a boss or projection
   - knurl 
2. A knot in wood; a protuberance
   - knag

Derived forms: knurs

• not half
• not intrusive
• not on your life
• not on your nelly
• not surprised
• not to mention
• not-for-profit
• nota bene
• notability
• notable
• notably
• notarial
• notarise
• notarize
• notary
• notary public
• notate
• notation
• notational system
• notch
• notched
• note
• note of hand
• note payable
• note receivable