impolder or empolder /im-pōlˈdər/

To make a polder of

• Magnoliaceae
• magnoliaceous
• magnolias
• magnon
• magnons
• Magnox
• Magnoxes
• magnum
• magnum bonum
• magnum bonums
• magnum opus
• magnum opuses
• magnums
• Magnus effect
• Magnus force
• Magog
• magot
• magot-pie
• magots
• magpie
• magpie lark
• magpie larks
• magpie moth
• magpie moths
• magpies