cooperate vs separate

cooperate

verb
  • To function in harmony, side by side 

  • To work or act together, especially for a common purpose or benefit. 

  • To allow for mutual unobstructed action 

  • To engage in economic cooperation. 

separate

noun
  • A printing of an article from a periodical as its own distinct publication and distributed independently, often with different page numbers. 

  • Anything that is sold by itself, especially articles of clothing such as blouses, skirts, jackets, and pants. 

verb
  • To disunite from a group or mass; to disconnect. 

  • To divide (a thing) into separate parts. 

  • To cause (things or people) to be separate. 

  • To divide itself into separate pieces or substances. 

adj
  • Apart from (the rest); not connected to or attached to (anything else). 

  • Not together (with); not united (to). 

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