aftercare vs cooperation

aftercare

noun
  • Services and support offered to a customer for the goods or service they have purchased. 

  • Tender affection and care given to a partner after a BDSM activity, usually to serve as a transition between the activity and whatever follows it. 

  • Childcare services tending to children after the school day. 

  • The care given to a patient during recovery from an operation or after hospitalization. 

  • Emotional support offered by the programme makers to a person who has appeared on a stressful talk show, etc. 

cooperation

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

  • The act of cooperating. 

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

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