ode vs psalmody

ode

noun
  • A short poetical composition proper to be set to music or sung; a lyric poem; especially, now, a poem characterized by sustained noble sentiment and appropriate dignity of style. 

psalmody

noun
  • The singing or the writing of psalms. 

  • A collection of psalms. 

verb
  • To celebrate in psalms. 

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