aper vs great ape

aper

noun
  • Someone who apes something 

great ape

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

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

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