champion vs legionary

champion

noun
  • Someone who fights for a cause or status. 

  • An ongoing winner in a game or contest. 

  • Someone who fights on another's behalf. 

  • A particularly notable member of a plant species, such as one of great size. 

  • Someone who is chosen to represent a group of people in a contest. 

verb
  • To promote, advocate, or act as a champion for (a cause, etc.). 

adj
  • Acting as a champion; having defeated all one's competitors. 

  • Excellent; brilliant; superb; deserving of high praise. 

  • Excellent; beyond compare. 

legionary

noun
  • A person who is neither a citizen nor colonial/imperial subject of the state whose military they join. 

  • A soldier belonging to a legion; a professional soldier of the ancient Roman army. 

  • A member of a legion, such as the American Legion, or of any organization containing the term legion in its title (e.g. the French Foreign Legion). 

adj
  • Relating to, or consisting of, a legion or legions. 

  • Containing a great number. 

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