accountable vs to blame

accountable

adj
  • Capable of being accounted for; explicable; explainable. 

  • Obliged, when called upon, to answer (for one’s deeds); answerable. 

  • Liable to be called on to render an account. 

  • Obliged to keep accurate records (of property or funds). 

to blame

adj
  • At fault; blameworthy; responsible (for an error, problem, etc.) 

How often have the words accountable and to blame occurred in a corpus of books? (source: Google Ngram Viewer )