entrance vs separation

entrance

noun
  • The right to go in. 

  • The act of taking possession, as of property, or of office. 

  • The place of entering, as a gate or doorway. 

  • The bow, or entire wedgelike forepart of a vessel, below the water line. 

  • The action of entering, or going in. 

  • The entering upon; the beginning, or that with which the beginning is made; the commencement; initiation. 

  • The beginning of a musician's playing or singing; entry. 

  • The causing to be entered upon a register, as a ship or goods, at a customhouse; an entering. 

  • The angle which the bow of a vessel makes with the water at the water line. 

verb
  • To put into a trance. 

  • To delight and fill with wonder. 

separation

noun
  • An agreement legalizing such an arrangement. 

  • Departure from active duty, while not necessarily leaving the service entirely. 

  • An object that separates two spaces. 

  • The act of disuniting two or more things, or the condition of being separated. 

  • The act or condition of two or more people being separated from one another. 

  • The place at which a division occurs. 

  • An interval, gap or space that separates things or people. 

  • The act or condition of a married couple living in separate homes while remaining legally married. 

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