accountable vs exempt

accountable

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

  • Liable to be called on to render an account. 

  • Capable of being accounted for; explicable; explainable. 

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

exempt

noun
  • One of four officers of the Yeomen of the Royal Guard, having the rank of corporal; an exon. 

  • One who has been released from something. 

  • A type of French police officer. 

verb
  • To grant (someone) freedom or immunity from. 

adj
  • Free from a duty or obligation. 

  • Not entitled to overtime pay when working overtime. 

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