connection vs cooperation

connection

noun
  • The act of connecting. 

  • A feeling of understanding and ease of communication between two or more people. 

  • sexual intercourse 

  • A kinship relationship between people. 

  • An individual who is related to oneself, through either family or business. 

  • A drug dealer. 

  • The description for a Methodist denomination as a whole, as opposed to its constituent churches, circuits, districts and conferences. 

  • Coherence; lack of disjointedness 

  • The point at which two or more things are connected. 

  • A transfer from one transportation vehicle to another in scheduled transportation service 

  • A set of sets that contains the empty set, all one-element sets for any element that is included in any of the sets, and the union of any group of sets that are elements where the intersections of those sets is non-empty. 

  • An established communications or transportation link. 

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. 

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