lemur vs simian

lemur

noun
  • Any strepsirrhine primate of the infraorder Lemuriformes, superfamily Lemuroidea, native only to Madagascar and some surrounding islands. 

  • Any of the genus Lemur, represented by the ring-tailed lemur (Lemur catta). 

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 lemur and simian occurred in a corpus of books? (source: Google Ngram Viewer )