decoction vs puree

decoction

noun
  • An extraction or essence of something, obtained by boiling it down. 

  • The process of boiling something down in this way. 

puree

noun
  • A food that has been ground or crushed into a thick liquid or paste. 

  • A type of unleavened bread from South Asia. 

verb
  • To crush or grind food into a puree. 

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