Core vs Psyche

Core

name
  • The birth name of Persephone/Proserpina, the queen of the Underworld/Hades, and goddess of the seasons and of vegetation. She is the daughter of Zeus and Demeter, and the wife of Hades. 

  • A female given name from Ancient Greek 

Psyche

name
  • 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. 

  • 16 Psyche, a main belt asteroid 

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