Empusa /em-pūˈzə/

1. A goblin or spectre sent by Hecate (Gr myth; also without cap; also empuseˈ)
2. A genus of fungi parasitic upon houseflies and other insects

• washhand stand
• washhand stands
• washhouse
• washhouses
• washier
• washiest
• wash-in
• washiness
• washinesses
• washing
• washing-blue
• washing-board
• washing-bottle
• washing-day
• washing-house
• washing line
• washing lines
• washing liquid
• washing machine
• washing machines
• washing powder
• washing powders
• washings
• washing-soda
• Washingtonia