colliquation vs liquefaction

colliquation

noun
  • The act of becoming liquid; melting. 

  • The wasting-away of parts of the body; consumption. 

liquefaction

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

  • The liquid or semiliquid that results from this process. 

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