empurple vs purpurate

empurple

verb
  • To make purple. 

  • Of writing, to make overly flowery or showy; to embellish unduly. 

  • To enrage or anger, referring to making the face purple or red with blood. 

purpurate

adj
  • Of a purple colour. 

noun
  • A salt of purpuric acid. 

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