Ionic vs belletristic

Ionic

adj
  • Synonym of Ionian; of or relating to Ionia or the Ionians 

  • of an order of classical Greek architecture whose distinguishing feature is a capital with spiral volutes. 

noun
  • A four-syllable metrical unit of light-light-heavy-heavy (‿ ‿ — —) that occurs in Ancient Greek and Latin poetry. 

name
  • A sub-dialect of the Attic-Ionic dialectal group of Ancient Greek consisting of Old Ionic and New Ionic. 

belletristic

adj
  • Of, pertaining to, or having the characteristics of belles-lettres. 

  • Written or appreciated for aesthetic value rather than content 

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