tossing vs unwind

tossing

noun
  • The motion of something that tosses; a throwing or sudden rising and falling. 

  • The process of washing ores by violent agitation in water, in order to separate the lighter or earthy particles; tozing. 

  • A process for refining tin by dropping it through the air while melted. 

adj
  • Used to disparage or curse someone or something. 

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