incorporate vs interpose

incorporate

verb
  • To include (something) as a part. 

  • To mix (something in) as an ingredient; to blend 

  • To admit as a member of a company 

  • To form into a legal company. 

  • To include (another clause or guarantee of the US constitution) as a part (of the Fourteenth Amendment, such that the clause binds not only the federal government but also state governments). 

  • To form into a body; to combine, as different ingredients, into one consistent mass. 

  • To unite with a material body; to give a material form to; to embody. 

adj
  • Not consisting of matter; not having a material body; incorporeal; spiritual. 

  • Not incorporated; not existing as a corporation. 

interpose

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

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

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

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

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

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