euphuism vs purple prose

euphuism

noun
  • An ornate style of writing (in Elizabethan England) marked by the excessive use of alliteration, antithesis and mythological similes. 

  • An instance of euphuism. 

purple prose

noun
  • Extravagant or flowery writing, especially in a literary work. 

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