airborne vs nomadic

airborne

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

adj
  • Fitted to an aircraft. 

  • In flight. 

  • Transported by air in an aircraft. 

  • In or carried by the air. 

nomadic

adj
  • Of or related to any habitually wandering person or animal. 

  • Of or related to itinerant herdsmen. 

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