denature vs intermix

denature

verb
  • To combine fissile material with nonfissile material in order to prevent its use in an atomic weapon. 

  • To take away a natural characteristic or inherent property of (a thing or a person). 

  • To alter its original form or state, especially of a protein, by heat, acidity etc. 

  • To add something to (alcohol) that makes it unsuitable for consumption but leaves it suitable for most other purposes. 

intermix

verb
  • To mix together; to intermingle or blend. 

noun
  • An intermixture; the product of mixing together 

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