custody vs thrall

custody

noun
  • Temporary possession or care of somebody else's property. 

  • The state of being imprisoned or detained, usually pending a trial. 

  • The legal right to take care of something or somebody, especially children. 

  • An area under the jurisdiction of a custos within the Order of Friars Minor. 

thrall

noun
  • The state of being under the control of another person. 

  • One who is enslaved or under mind control. 

  • A shelf; a stand for barrels, etc. 

verb
  • To make a thrall; enslave. 

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