dipteran vs spectacular

dipteran

adj
  • Relating to or denoting dipterans. 

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

spectacular

adj
  • Relating to spectacles, or glasses for the eyes. 

  • Amazing or worthy of special notice. 

noun
  • A pop-up (folded paper element) in material sent by postal mail. 

  • A spectacular display. 

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