drake vs vishap

drake

noun
  • A dragon. 

  • A beaked galley, or Viking warship. 

  • A small piece of artillery. 

  • A mayfly used as fishing bait. 

  • A male duck. 

  • A fiery meteor. 

vishap

noun
  • a dragon in Armenian mythology closely associated with water 

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