bulwark vs cove

bulwark

noun
  • The planking or plating along the sides of a nautical vessel above her gunwale that reduces the likelihood of seas washing over the gunwales and people being washed overboard. 

  • A defensive wall or rampart. 

  • A defense or safeguard. 

  • A breakwater. 

  • Any means of defence or security. 

verb
  • To fortify something with a wall or rampart. 

  • To provide protection of defense for something. 

cove

noun
  • A small coastal inlet, especially one having high cliffs protecting vessels from prevailing winds. 

  • A concave vault or archway, especially the arch of a ceiling. 

  • A thin line, sometimes gilded, along a yacht's strake below deck level. 

  • A recess or sheltered area on the slopes of a mountain. 

  • A hollow in a rock; a cave or cavern. 

  • The wooden roof of the stern gallery of an old sailing warship. 

  • A strip of prairie extending into woodland. 

  • A friend; a mate. 

verb
  • To arch over; to build in a hollow concave form; to make in the form of a cove. 

  • To brood, cover, or sit over, as birds their eggs. 

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