pleomorphic /plē-ō-mörˈfik/, also pleomorphous /-fəs/

1. Occurring in several different forms, polymorphic
2. Changing form several different times during its life cycle (biology)

• airship
• airships
• air shot
• air shots
• airshow
• air shower
• airshows
• airsick
• air-sickness
• airside
• air sign
• air signs
• airspace
• airspaces
• airspeed
• airspeeds
• air-splint
• air-splints
• air station
• air stations
• airstop
• airstops
• airstream
• airstream mechanism
• airstreams