knag /nag/

1. A knot in wood
2. A peg

• peep
• peepe
• peeped
• pee-pee
• pee-peed
• pee-pees
• pee-peing
• peeper
• peepers
• peepes
• peephole
• peepholes
• peeping
• peeping Tom
• peeping Toms
• Peep-o'-day Boys
• peep of day
• peeps
• peepshow
• peepshows
• peep sight
• peep sights
• peep-through
• peep-toe
• peep-toes