bloodless vs dead calm

bloodless

adj
  • Taking place without loss of blood. 

  • Lacking emotion, passion or vivacity. 

  • Lacking blood; ashen, anaemic. 

dead calm

adj
  • Completely still with no waves and no wind. 

noun
  • The condition of a perfectly flat sea with no waves and no wind. 

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