dotard vs strongman

dotard

noun
  • One who dotes on another, showing excessive fondness. 

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

strongman

noun
  • Someone who performs feats of strength, sometimes in competitions or in a circus. 

  • A forceful or brutal person, usually a ruler or tyrant. 

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