administrator vs chief

administrator

noun
  • One who administers affairs; one who directs, manages, executes, or dispenses, whether in civil, judicial, political, or ecclesiastical affairs; a manager 

  • A person who manages or settles the estate of an intestate, or of a testator when there is no competent executor; one to whom the right of administration has been committed by competent authority 

  • One who is responsible for software installation, management, information and maintenance of a computer or network 

chief

noun
  • A leader or head of a group of people, organisation, etc. 

  • An informal term of address. 

  • The principal part or top of anything. 

  • An informal term of address for a Native American or First Nations man. 

  • The top part of a shield or escutcheon; more specifically, an ordinary consisting of the upper part of the field cut off by a horizontal line, generally occupying the top third. 

adj
  • Primary; principal. 

  • Intimate, friendly. 

verb
  • To smoke cannabis. 

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