Cases of word usage

1) to let or put air into (something) (aerate)

2) allowing air to flow over or around easily (aerodynamic)

3) floating; carried along on air or water (afloat)

4) to expose it to the fresh air (airing)

5) not having (enough) fresh air (airless)

6) having plenty of fresh air moving through it (airy)

7) (of meals) in the open air (alfresco)

8) high up in the air (especially at the top of a ship) (aloft)

9) to cause (a person) to die or be very ill by stopping enough air from entering the lungs (asphyxiate)

10) a bag filled with air or with gas lighter than air (balloon)