impolder or empolder /im-pōlˈdər/

To make a polder of

• collectorates
• collectors
• collectorship
• collectorships
• collector's item
• collector's items
• collector's piece
• collects
• colled
• colleen
• colleens
• college
• college cap
• College of Arms
• college of cardinals
• college of education
• College of Justice
• college pudding
• colleger
• collegers
• colleges
• collegia
• collegial
• collegial church
• collegialism