enter vs interpose

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. 

interpose

verb
  • To be inserted between parts or things; to come between. 

  • To interrupt a conversation by introducing a different subject or making a comment. 

  • To intervene in a dispute, or in a conversation. 

  • To insert something (or oneself) between other things. 

  • To offer (one's help or services). 

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