capital ship vs dreadnought

capital ship

noun
  • Any of the most important types of warships, capable of projecting a fleet in being. 

dreadnought

noun
  • A type of warship heavier in armour or armament than a typical battleship. 

  • A person who fears nothing. 

  • A battleship, especially of the World War I era, in which most of the firepower is concentrated in large guns that are of the same caliber. 

  • Something that assures against fear. 

  • A type of acoustic guitar with a very large body and a waist that is less pronounced than on other guitar shapes, producing a deep, bold sound. 

  • One that is the largest or the most powerful of its kind. 

  • A garment made of thick woollen cloth that can defend against storm and cold. 

  • The cloth itself; fearnaught. 

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