Ark vs Pen

Ark

name
  • The chest carried by the Hebrews containing the stone tablets carved with the Ten Commandments. 

  • The boat built by the Biblical Noah to carry himself and the animals of the planet during the Flood. 

Pen

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

  • A diminutive of the female given name Penelope 

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