committal vs internment

committal

adj
  • Of or relating to commitment. 

  • Of or relating to a committee. 

noun
  • The act of entrusting something to someone. 

  • The act of perpetrating an offence. 

  • The act of committing someone to confinement; an order for someone's imprisonment. 

  • The act of committing a body to the grave at a burial or to the furnace at a cremation. 

internment

noun
  • Confinement within narrow limits, as of foreign troops, to the interior of a country. 

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