A1 vs champion

A1

adj
  • In excellent or top condition. 

  • First-class. (Compare A 2 and A 3, which are inferior grades.) 

  • In good health. 

noun
  • Under the International Union of Railways ("UIC") classification system, a steam locomotive that has two coupled driving wheels followed by two trailing wheels, with no leading wheels; also called an 0-2-2. 

champion

adj
  • Excellent; beyond compare. 

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

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

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.). 

How often have the words A1 and champion occurred in a corpus of books? (source: Google Ngram Viewer )