caveman vs great ape

caveman

noun
  • An early human or closely related species, popularly held to reside in caves. 

  • Someone, especially a man, who has regressive, old-fashioned attitudes, particularly with regard to women; someone opposed to change or modernity. 

  • A brutish person, one who behaves in a rough, uncivilized way. 

  • A person with backward, primitive behavior, opinions, or interests. 

great ape

noun
  • Any member of the taxonomic family Hominidae, including Homo, and also many similar extinct species. 

  • Any member of the taxonomic family Hominidae, including gorilla, orangutan, chimpanzee, excluding Homo. 

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