luminous vs zephyrous

luminous

adj
  • Emitting light; glowing brightly; shining. 

  • Brightly illuminated. 

  • Clear; enlightening; easy to understand. 

zephyrous

adj
  • Light, fine, soft. 

  • Like a zephyr; (of a wind) soft, gentle, refreshing. 

  • Breezy; blown by a breeze. 

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