Ark vs Flood

Ark

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

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

Flood

name
  • The flood referred to in the Book of Genesis in the Hebrew Bible. 

  • A surname. 

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