castigate vs get after

castigate

verb
  • To punish or reprimand someone severely. 

  • To revise or make corrections to a publication. 

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

get after

verb
  • To attempt to convince another to move into action. 

  • To move into action in pursuit of something. 

  • To move into action in attempt to catch or defeat another. 

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