Core vs Poll

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. 

Poll

name
  • A diminutive of the female given name Mary. 

  • A surname transferred from the given name. 

  • A common pet name for a parrot. 

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