great ape vs imitator

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. 

imitator

noun
  • A person who imitates or apes another. 

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