prodrome /prodˈrōm/

1. (also prodˈromus /prodˈrə-məs/ (pl prodˈromī)) an introductory treatise
2. A premonitory event
3. A sign of approaching disease

prodˈromal and prodromˈic adjective

• air kisses
• air-kisses
• air-kissing
• air-lane
• air-lanes
• air layering
• airless
• airlessness
• airlessnesses
• air letter
• air letter form
• air letters
• air lieutenant
• air lieutenants
• airlift
• airlifted
• airlifting
• airlifts
• airline
• airliner
• airliners
• airlines
• air loadmaster
• air loadmasters
• airlock