Light vs Pen

Light

name
  • The 24th sura (chapter) of the Qur'an. 

  • A surname. 

  • An unincorporated community in Greene County, Arkansas, United States. 

Pen

name
  • The 68th sura (chapter) of the Qur'an. 

  • A diminutive of the female given name Penelope 

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