flying dragon vs vishap

flying dragon

noun
  • Used other than figuratively or idiomatically: see flying, dragon. 

  • Draco volans, a gliding lizard endemic to Southeast Asia. 

  • Any lizard in the genus Draco. 

vishap

noun
  • a dragon in Armenian mythology closely associated with water 

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