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

• air-drains
• airdrawn
• air-dried
• air-dries
• airdrome
• airdromes
• airdrop
• airdrops
• air-dry
• air-drying
• aired
• Airedale
• Airedale terrier
• air-engine
• air-engines
• airer
• airers
• airfield
• airfields
• air filter
• air filters
• airflow
• airflows
• airfoil
• airfoils