armistice vs treaty

armistice

noun
  • A formal agreement, especially between nations, to end combat. 

  • A (short) cessation of combat; a cease-fire, a truce. 

treaty

noun
  • A formal binding agreement concluded by subjects of international law, namely, states and international organizations; a convention, a pact. 

verb
  • To get into (a specific situation) through a treaty. 

  • To enter into a treaty. 

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