Titanic vs barn door

Titanic

noun
  • A venture that fails spectacularly, especially one perceived as overconfident. 

adj
  • Of a conflict or contest: involving equally powerful participants. 

  • Of or relating to the Titans, a race of giant gods in Greek mythology. 

  • Having great size, or great force, power, or strength. 

name
  • The R.M.S. Titanic, an ocean liner, supposedly unsinkable, that sank on its maiden voyage on 15 April 1912 after colliding with an iceberg. 

barn door

noun
  • The large door of a barn. 

  • The groin area of a pair of pants. 

  • An off-balance pivot on two points of contact. 

  • A player who blocks every ball. 

  • Something large enough that a miss ought to be impossible. 

verb
  • To apply or adjust the barn doors as part of lighting. 

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