airlift vs dipteran

airlift

noun
  • Such a flight. 

  • The transportation of troops, civilians or supplies by air, especially in an emergency. 

  • A pipe that is used to suck up objects from the sea bed. 

verb
  • To transport (troops etc) in an airlift. 

dipteran

noun
  • An insect of the large order Diptera; a fly. 

adj
  • Relating to or denoting dipterans. 

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