distillation vs quelling

distillation

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

  • The substance extracted by distilling. 

  • That which falls in drops. 

  • Purification through repeated or continuous distilling; rectification. 

  • Separation into specific hydrocarbon groups; fractionation. 

quelling

noun
  • The act by which something is quelled. 

adj
  • causing something to quell or be quelled 

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