Dash vs Pharos

Dash

name
  • A topographic surname. 

  • A male given name transferred from the surname. 

Pharos

name
  • The Lighthouse of Alexandria, located on the island Pharos 

  • A small island off Alexandria where the Lighthouse of Alexandria was located. 

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