Core vs Tray

Core

name
  • A female given name from Ancient Greek 

  • 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. 

Tray

name
  • A diminutive of the female given name Tracy 

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