Light vs Proof

Light

name

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

  • A surname. 

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

Proof

name

  • The 98th sura (chapter) of the Qur'an. 

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