disengage vs emerge

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 

emerge

verb
  • To come out of a situation, object or a liquid. 

  • To become known. 

  • To come into view. 

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