accountable vs errant

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). 

errant

adj
  • Prone to making errors; misbehaving. 

  • Roving around; wandering. 

  • Straying from the proper course or standard, or outside established limits. 

noun
  • A knight-errant. 

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