adjutant vs wingman

adjutant

noun
  • A lower-ranking officer who assists a higher-ranking officer with administrative affairs. 

  • Any bird of the genus Leptoptilos, a branch of the stork family (Ciconiidae) native to India and Southeast Asia. 

  • An assistant. 

adj
  • Assistant; who helps a higher-ranking officer. 

wingman

noun
  • A pilot partner of another, a pilot who flies in the same wing or squadron. 

  • A friend who accompanies one to offer (or receive) support, especially in flirting with love interests. 

  • A player positioned on the wing. 

verb
  • To act as a wingman for (someone); to accompany in order to provide support. 

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