devotional vs skyly

devotional

adj
  • Of or pertaining to devotion or worship. 

noun
  • A brief religious service. 

  • A text or piece of music or writing to be used for devotion. 

skyly

adj
  • Of, resembling, or relating to the sky; celestial 

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