Pen vs Smoke

Pen

name

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

  • A diminutive of the female given name Penelope 

Smoke

name

  • The 44th sura (chapter) of the Qur'an. 

  • London. 

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