pillar vs stiffener

pillar

noun
  • Something resembling such a structure. 

  • A portable ornamental column, formerly carried before a cardinal, as emblematic of his support to the church. 

  • A large post, often used as supporting architecture. 

  • The centre of the volta, ring, or manege ground, around which a horse turns. 

  • An essential part of something that provides support. 

  • The body from the hips over the core to the shoulders. 

verb
  • To provide with pillars or added strength as if from pillars. 

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 pillar and stiffener occurred in a corpus of books? (source: Google Ngram Viewer )