cooperation vs rupture

cooperation

noun
  • The act of cooperating. 

  • Association for mutual benefit, such as for purposes of production or purchase. 

  • Active help from a person, organization, etc., such as an orderly sharing of space or resources. 

rupture

noun
  • A social breach or break, between individuals or groups. 

  • A failure mode in which a tough ductile material pulls apart rather than cracking. 

  • A burst, split, or break. 

  • A break or tear in soft tissue, such as a muscle. 

verb
  • To burst, break through, or split, as under pressure. 

  • To dehisce irregularly. 

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