psalmody vs sanctify

psalmody

verb
  • To celebrate in psalms. 

noun
  • A collection of psalms. 

  • The singing or the writing of psalms. 

sanctify

verb
  • To make holy; to consecrate; to set aside for sacred or ceremonial use. 

  • To endorse with religious sanction. 

  • To free from sin; to purify. 

  • To make acceptable or useful under religious law or practice. 

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