dipteran vs manipulative

dipteran

adj
  • Relating to or denoting dipterans. 

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

manipulative

adj
  • Tending to manipulate. 

  • Using manipulation purposefully. 

  • Reaching one's goals at the expense of other people by using them. 

noun
  • A manipulable object designed to demonstrate a mathematical concept. 

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