knag /nag/

1. A knot in wood
2. A peg

knaggˈiness noun

• rooked
• rookeries
• rookery
• rookie
• rookier
• rookies
• rookiest
• rooking
• rookish
• rooks
• rooky
• room
• room-divider
• room-dividers
• roomed
• roomer
• roomers
• roomette
• roomettes
• room-fellow
• room-fellows
• roomful
• roomfuls
• roomie
• roomier