disengaged vs parted

disengaged

adj
  • Not engaged; at leisure; free from occupation or attachment; unconnected; detached. 

parted

adj
  • Separated; taken asunder. 

  • Having the specified number of parts. 

  • Deeply cleft. 

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