refined vs unpurified

refined

noun
  • The refined form of a commodity, as opposed to its raw or generic form. 

adj
  • Developed, improved. 

  • Subtle, scrupulous, carefully thought out. 

  • Elegant, sometimes (derogatory) affected, prissy, or bloodless. 

  • Highly-processed and pure. 

  • Free of dross or alloy. 

  • Dealing in a refined product such as sugar or petroleum. 

  • Elevated and polished. 

unpurified

adj
  • Not purified; impure 

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