castigate vs sing the praises of

castigate

verb
  • To revise or make corrections to a publication. 

  • To punish or reprimand someone severely. 

  • To execrate or condemn something in a harsh manner, especially by public criticism. 

sing the praises of

verb
  • to commend someone's attributes to others 

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