defender vs man-of-war

defender

noun
  • A fighter who seeks to repel an attack. 

  • A defendant in a civil action. 

  • Someone who defends people or property. 

  • A lawyer who represents defendants, especially a public defender; a defense attorney (US) or defence counsel (UK). 

  • One of the players whose primary task is to prevent the opposition from scoring. 

man-of-war

noun
  • A man whose occupation is fighting in wars; a soldier, a warrior. 

  • A powerful armed naval vessel, primarily one armed with cannon and propelled by sails; a warship. 

  • The Arctic skua (Stercorarius parasiticus). 

How often have the words defender and man-of-war occurred in a corpus of books? (source: Google Ngram Viewer )