disintegration vs unwind

disintegration

noun
  • A process by which anything disintegrates. 

  • The wearing away or falling to pieces of rocks or strata, produced by atmospheric action, frost, ice, etc. 

  • The process of radioactive decay. 

  • The condition of anything which has disintegrated. 

  • The radioactive decay of a single atom. 

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 disintegration and unwind occurred in a corpus of books? (source: Google Ngram Viewer )