alleluia vs psalmody

alleluia

noun
  • A liturgical form of hallelujah. 

  • A choral composition incorporating alleluia in its text. 

  • The plant wood sorrel. 

intj
  • A liturgical or variant form of hallelujah. 

psalmody

noun
  • A collection of psalms. 

  • The singing or the writing of psalms. 

verb
  • To celebrate in psalms. 

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