idolize vs psalmody

idolize

verb
  • To make an idol of, or to worship as an idol. 

  • To adore excessively; to revere immoderately. 

psalmody

verb
  • To celebrate in psalms. 

noun
  • A collection of psalms. 

  • The singing or the writing of psalms. 

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