rampart vs stiffener

rampart

noun
  • A defensive structure; a protective barrier; a bulwark. 

  • A defensive mound of earth or a wall with a broad top and usually a stone parapet; a wall-like ridge of earth, stones or debris; an embankment for defensive purpose. 

  • That which defends against intrusion from outside; a protection. 

  • A steep bank of a river or gorge. 

verb
  • To defend with a rampart; fortify or surround with a rampart. 

stiffener

noun
  • Anything added to something in order to stiffen it, such as a support beam, or starch for a collar. 

  • An alcoholic drink taken to fortify oneself. 

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