disengage vs dismantle

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 

dismantle

verb
  • To take apart; to disassemble; to take to pieces. 

  • To divest, strip of dress or covering. 

  • To remove fittings or furnishings from. 

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