backbite vs get after

backbite

verb
  • To attack from behind or when out of earshot with spiteful or defamatory remarks. 

  • To speak badly of an absent individual. 

  • To make spiteful slanderous or defamatory statements about someone. 

noun
  • One who engages in backbiting; a backbiter. 

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 backbite and get after occurred in a corpus of books? (source: Google Ngram Viewer )