lacertian vs reptile

lacertian

adj
  • Pertaining to or resembling a lizard; lizard-like. 

noun
  • A member of the Lacerta. 

reptile

adj
  • Creeping; moving on the belly, or by means of small and short legs. 

  • Grovelling; low; vulgar. 

noun
  • A cold-blooded vertebrate of the class Reptilia; an amniote that is neither a synapsid nor a bird; excludes amphibians. 

  • A mean or grovelling person. 

  • A reptile or amphibian. 

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