lie-in vs morcha

lie-in

noun
  • A form of protest where a group of people lie down in a public area. 

  • A period spent lying in bed for longer than usual after one has woken up. 

morcha

noun
  • A gathering of like-minded people protesting for a cause. 

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