blockage vs entrance

blockage

noun
  • Synonym of constipation (“impairment of feces passage”). 

  • The thing that is the cause of such a state, blocking a passage. 

  • The state or condition of being blocked. 

  • Synonym of thrombosis, synonym of thromboembolism, or synonym of embolism. 

entrance

verb
  • To put into a trance. 

  • To delight and fill with wonder. 

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

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

  • The right to go in. 

  • 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. 

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