mantis vs midget

mantis

noun
  • Any of various large insects of the order Mantodea that catch insects or other small animals with their powerful forelegs. 

  • A green colour, like that of many mantises. 

midget

noun
  • Any small swarming insect similar to the mosquito; a midge. 

  • A normally-proportioned person with small stature, usually defined as reaching an adult height less than 4'10". 

  • A small version of something; miniature. 

  • Any short person. 

  • A little sandfly. 

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