dousing vs refinement

dousing

noun
  • The act by which something is doused. 

refinement

noun
  • The act, or the result of refining; the removal of impurities, or a purified material 

  • A fine or subtle distinction. 

  • High-class style; cultivation. 

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