gorilla vs macaque

gorilla

noun
  • The largest of the apes, belonging to the genus Gorilla, native to the forests of central Africa and known for their trait of knuckle-walking. 

  • A big and brutish man or a thug; a goon or ruffian. 

  • A powerful person or organization; a heavyweight or behemoth. 

macaque

noun
  • Any of a group of Old World monkeys of the subfamily Cercopithecinae, especially genus Macaca. 

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