hymnody vs psalmody

hymnody

noun
  • The writing, composing, or singing of hymns or psalms. 

  • The hymns of a particular church or of a particular time. 

psalmody

noun
  • The singing or the writing of psalms. 

  • A collection of psalms. 

verb
  • To celebrate in psalms. 

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