airborne vs avian

airborne

adj
  • Fitted to an aircraft. 

  • In flight. 

  • Transported by air in an aircraft. 

  • In or carried by the air. 

noun
  • Military infantry intended to be transported by air and delivered to the battlefield by parachute or helicopter. 

avian

noun
  • Someone who roleplays or describes themselves as being a bird or bird-like animal character with human characteristics. 

  • A bird. 

  • A bird-like or flying creature. 

adj
  • Characteristic of or pertaining to birds, or to bird-like or flying creatures. 

How often have the words airborne and avian occurred in a corpus of books? (source: Google Ngram Viewer )