Angel vs Sky Fairy

Angel

name
  • A male given name from Latin Angelus [in turn from Ancient Greek], used since 16th century; or an anglicized spelling of Ángel. 

  • A female given name from English of modern usage from the English noun angel. 

  • A player on the team the "Los Angeles Angels" or one of its predecessor "Angels" teams. 

  • A surname transferred from the nickname originating as a nickname or, rarely, as a patronymic. 

Sky Fairy

name
  • Synonym of God, particularly the Abrahamic God. 

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