aftercare vs follow-up

aftercare

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

  • 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. 

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

  • Childcare services tending to children after the school day. 

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

follow-up

noun
  • The revisiting of a patient in ambulatory care. 

  • A subsidiary action taken in response to an event. 

  • A posted message on a newsgroup, etc. in reply to a previous one. 

  • A shot on goal directly following another that has been saved. 

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