particulate vs unpurified

particulate

adj
  • Composed of separate particles. 

  • Pertaining to heritable characteristics which are attributable discretely to either one or another of an offspring's parents, rather than a blend of the two. 

noun
  • Any solid or liquid in a subdivided state, especially one that exhibits special characteristics which are negligible in the bulk material. 

unpurified

adj
  • Not purified; impure 

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