protector vs unwind

protector

noun
  • One who prevents interference. 

  • A state or other subject under international law, exercising a protectorate over another subject in international law. 

  • One having the care of the kingdom during the king's minority; a regent. 

  • A device or mechanism which is designed to protect. 

  • A cardinal, from one of the more considerable Roman Catholic nations, who looks after the interests of his people at Rome; also, a cardinal who has the same relation to a college, religious order, etc. 

  • Someone who protects or guards, by assignment or on their own initiative. 

unwind

noun
  • Any mechanism or operation that unwinds something. 

verb
  • To undo something. 

  • To relax; to chill out; to rest and become relieved of stress 

  • To close out a position, especially a complicated position. 

  • To be or become unwound; to be capable of being unwound or untwisted. 

  • To analyse (a call stack) so as to generate a stack trace etc. 

  • To separate (something that is wound up) 

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