commissary vs deputy

commissary

noun
  • One to whom is committed some charge, duty, or office, by a superior power; a commissioner. 

  • A cafeteria at a movie studio. 

  • A store primarily serving persons in an institution, most often soldiers or prisoners. 

  • The judge in a commissary court. 

  • An officer of the bishop, who exercises ecclesiastical jurisdiction in parts of the diocese at a distance from the residence of the bishop. 

  • A higher-ranking police officer. 

  • An account which a prisoner uses to buy provisions, or the balance of that account. 

  • An officer who supplies provisions to an army. 

deputy

noun
  • One appointed as the substitute of others, and empowered to act for them, in their name or their behalf; a substitute in office. 

  • A member of the Chamber of Deputies, formerly called Corps Législatif. 

  • a member of Dáil Éireann, or the title of a member of Dáil Éireann. (Normally capitalised in both cases). 

  • a law enforcement officer who works for the county sheriff's office; a deputy sheriff or sheriff's deputy; the entry level rank in such an agency. 

  • A person employed to install and remove props, brattices, etc. and to clear gas, for the safety of the miners. 

verb
  • to deputise 

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