inviting vs leonine

inviting

adj
  • Alluring; tempting; attractive. 

noun
  • invitation 

leonine

adj
  • Of, pertaining to, or characteristic of a lion. 

noun
  • A 13th-century coin minted in Europe and used in England as a debased form of the sterling silver penny, outlawed under Edward I. 

  • A kind of Latin verse, generally alternate hexameter and pentameter, rhyming at the middle and end. 

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