flagship vs monarch

flagship

noun
  • The most important one out of a related group. 

  • The ship occupied by the fleet's commander (usually an admiral); it denotes this by flying his flag. 

  • The ship regarded as most important out of a group, e.g. a nation's navy or company's fleet. 

verb
  • To act as a flagship for. 

monarch

noun
  • The chief or best thing of its kind. 

  • The ruler of an absolute monarchy or the head of state of a constitutional monarchy. 

  • The monarch butterfly, Danaus plexippus, and others of genus Danaus, found primarily in North America, so called because of the designs on its wings. 

  • A stag which has sixteen or more points or tines on its antlers. 

  • A police officer. 

  • Any bird of the family Monarchidae. 

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