gorilla vs lemur

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. 

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). 

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