drive a hard bargain vs palter

drive a hard bargain

verb
  • To negotiate forcefully. 

palter

verb
  • To haggle. 

  • To babble; to chatter. 

  • To talk insincerely; to prevaricate or equivocate in speech or actions. 

How often have the words drive a hard bargain and palter occurred in a corpus of books? (source: Google Ngram Viewer )