deliquescence vs liquefaction

deliquescence

noun
  • The action or process of deliquescing. 

  • The condition of being deliquescent. 

liquefaction

noun
  • The liquid or semiliquid that results from this process. 

  • Process of being, or state of having been, made liquid (from either a solid or a gas) 

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