calender vs enter

calender

verb
  • To press between rollers for the purpose of making smooth and glossy, or wavy, as woolen and silk stuffs, linens, paper etc., as in a calender. 

noun
  • A machine, used for the purpose of giving cloth, paper etc., a smooth, even, and glossy or glazed surface, by cold or hot pressure, or for watering them and giving them a wavy appearance; it consists of two or more cylinders revolving nearly in contact, with the necessary apparatus for moving and regulating. 

  • One who pursues the business of calendering. 

  • One of a wandering, mendicant Sufic order of fantastically dressed or painted dervishes, founded in the 13th century by an Arab named Yusuf. 

enter

verb
  • To go or come into an enclosed or partially enclosed space. 

  • To become effective; to come into effect. 

  • To go or come into (a state or profession). 

  • To become a party to an agreement, treaty, etc. 

  • To cause to go (into), or to be received (into); to put in; to insert; to cause to be admitted. 

  • To place in regular form before the court, usually in writing; to put upon record in proper from and order 

  • To go into or upon, as lands, and take actual possession of them. 

  • To deposit for copyright the title or description of (a book, picture, map, etc.). 

  • To type (something) into a computer; to input. 

  • To record (something) in an account, ledger, etc. 

  • To make report of (a vessel or its cargo) at the custom house; to submit a statement of (imported goods), with the original invoices, to the proper customs officer for estimating the duties. See entry. 

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