disengage vs perforate

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 

perforate

verb
  • To pierce; to penetrate. 

  • To make a line of holes in (a thin material) to allow separation at the line. 

adj
  • perforated 

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