hymn vs hymnal

hymn

noun
  • A song of praise or worship, especially a religious one. 

verb
  • To praise or extol in hymns. 

  • To sing a hymn. 

hymnal

noun
  • A collection of hymns; a hymn book. 

adj
  • Of or pertaining to hymns. 

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