flying dragon vs lindworm

flying dragon

noun
  • Any lizard in the genus Draco. 

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

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

lindworm

noun
  • A draconic creature, similar to a wyvern. 

  • A wingless serpentine dragon having two arms. 

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