dirge vs psalmody

dirge

noun
  • A mournful poem or piece of music composed or performed as a memorial to a dead person. 

  • A song or piece of music that is considered too slow, bland or boring. 

verb
  • To sing dirges 

psalmody

noun
  • The singing or the writing of psalms. 

  • A collection of psalms. 

verb
  • To celebrate in psalms. 

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