impolder or empolder /im-pōlˈdər/

To make a polder of

• rooinek
• rooineks
• rook
• 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