macaque vs simian

macaque

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

simian

noun
  • An ape or monkey, especially an anthropoid. 

adj
  • Bearing resemblance to an ape. 

  • Of or pertaining to apes; apelike. 

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