dotard vs pensionary

dotard

noun
  • An old person with impaired intellect; one in his or her dotage. 

  • One who dotes on another, showing excessive fondness. 

pensionary

noun
  • one who receives a pension; a pensioner 

  • A leading functionary and legal adviser of the principal town corporations in the Netherlands. 

adj
  • pertaining to a pension 

  • maintained by a pension; receiving a pension 

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