dipteran vs shrewd

dipteran

adj
  • Relating to or denoting dipterans. 

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

shrewd

adj
  • Artful, tricky or cunning. 

  • Sharp, snithy, piercing. 

  • Showing clever resourcefulness in practical matters. 

  • Streetwise, street-smart. 

  • Knowledgeable, intelligent, keen. 

  • Nigh accurate. 

  • Severe, intense, hard. 

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