disengage vs interpose

disengage

verb
  • To release or loosen from something that binds, entangles, holds, or interlocks. 

noun
  • A circular movement of the blade that avoids the opponent's parry 

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 disengage and interpose occurred in a corpus of books? (source: Google Ngram Viewer )