fustigate vs jump on

fustigate

verb
  • To harshly criticize someone. 

  • To hit someone with a club. 

jump on

verb
  • To attack verbally, to criticise excessively. 

  • To board a vehicle. 

  • To take immediate action regarding; to avail oneself of without delay. 

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