chowder vs distillation

chowder

noun
  • A stew, particularly fish or seafood, not necessarily thickened. 

  • A thick, creamy soup or stew. 

verb
  • To make (seafood, etc.) into chowder. 

distillation

noun
  • The substance extracted by distilling. 

  • That which falls in drops. 

  • Purification through repeated or continuous distilling; rectification. 

  • Separation into specific hydrocarbon groups; fractionation. 

  • The act of falling in drops, or the act of pouring out in drops. 

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