morning vs morning prayer

morning

noun
  • The early part of the day, especially from dawn to noon. 

  • The first alcoholic drink of the day; a morning draught. 

  • The early part of anything. 

intj
  • A greeting said in the morning; shortening of good morning 

morning prayer

noun
  • The first of the two services of the Anglican Daily Office, combining the canonical hours of matins, lauds and prime. 

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