debonair vs dipteran

debonair

adj
  • Suave, urbane and sophisticated. 

  • Charming, confident, and carefully dressed. 

dipteran

adj
  • Relating to or denoting dipterans. 

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

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