euphuism vs extravagant language

euphuism

noun
  • An instance of euphuism. 

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

extravagant language

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