adjutant vs synergist

adjutant

noun
  • An assistant. 

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

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

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

synergist

noun
  • Any synergistic agent. 

  • A chemical compound that increases the chemical activity of another compound when used with it. 

  • One who holds the religious doctrine of synergism. 

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