mix vs separation

mix

noun
  • The result of mixing two or more substances; a mixture. 

  • The result of combining items normally kept separate. 

  • The result of mixing several tracks. 

  • The finished version of a recording. 

  • A substance used to dilute or adulterate an illicit drug. 

verb
  • To unite with in company; to join; to associate. 

  • To stir together. 

  • To blend by the use of a mixer (machine). 

  • To combine (several tracks). 

  • To combine (items from two or more sources normally kept separate). 

  • To form by mingling; to produce by the stirring together of ingredients; to concoct from different parts. 

  • To produce a finished version of (a recording). 

separation

noun
  • The act of disuniting two or more things, or the condition of being separated. 

  • Departure from active duty, while not necessarily leaving the service entirely. 

  • An agreement legalizing such an arrangement. 

  • An object that separates two spaces. 

  • The act or condition of two or more people being separated from one another. 

  • The place at which a division occurs. 

  • An interval, gap or space that separates things or people. 

  • The act or condition of a married couple living in separate homes while remaining legally married. 

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