chargehand vs jefe

chargehand

noun
  • A person who is in charge of a small group of workers; a lesser foreman. 

jefe

noun
  • A boss in a business, company, or other organization. 

  • An officer with political influence; a head or chief in government, such as a sheriff, particularly where that person is Hispanic or of Mexican descent. 

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