General Aviation & Flight:
* Aerodynamics: The study of how air moves around objects.
* Aerostat: A lighter-than-air craft, like a balloon or blimp.
* Aeronaut: A person who flies in an aerostat.
* Aerospace: The space surrounding Earth and beyond.
* Aerodrome: An airfield used for landing and takeoff of aircraft.
* Aerial: Relating to the air or flight.
Science & Technology:
* Aerobatics: Maneuvers performed by aircraft for display or competition.
* Aerogel: A lightweight, porous material with insulating properties.
* Aerosol: Tiny particles suspended in air, such as a spray.
* Aerobiology: The study of organisms that live in the air.
* Aeromedicine: The study of medical problems related to flight.
Other:
* Aerate: To introduce air into something, like soil or water.
* Aerobic: Relating to exercise that requires oxygen.
These are just a few examples. There are many other words that include "aero" in their root.