caveman vs hominiform

caveman

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

  • 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. 

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

hominiform

noun
  • Synonym of hominid 

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