sheriff vs warrant officer

sheriff

noun
  • (High Sheriff) An official of a shire or county office, responsible for carrying out court orders, law enforcement and other duties. 

  • A judge in the sheriff court, the court of a county or sheriffdom. 

  • A government official, usually responsible for law enforcement in their county and for administration of the county jail, sometimes an officer of the court, usually elected. 

verb
  • To carry out the duties of a sheriff 

warrant officer

noun
  • An officer holding rank by virtue of a warrant rather than a commission. 

  • An officer assigned to execute warrants and other writs. 

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