aggravation vs cooperation

aggravation

noun
  • An extrinsic circumstance or accident which increases the guilt of a crime or the misery of a calamity. 

  • Provocation, irritation, annoyance. 

  • The act of aggravating, or making worse; used of evils, natural or moral; the act of increasing in severity or heinousness; something additional to a crime or wrong and enhancing its guilt or injurious consequences. 

  • Exaggerated representation. 

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 aggravation and cooperation occurred in a corpus of books? (source: Google Ngram Viewer )