Moon vs Psyche

Moon

name
  • A personification of the moon. 

  • A surname. 

  • The 54th sura (chapter) of the Qur'an. 

  • The Earth's moon; the sole natural satellite of the Earth, represented in astronomy and astrology by ☾. 

Psyche

name
  • 16 Psyche, a main belt asteroid 

  • The personification of the soul. Originally a mortal princess who later married Eros/Cupid, (the god of love), was deified, and bore him a daughter, Hedone/Voluptas. 

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