piling vs stanchion

piling

noun
  • A structural support comprising a length of wood, steel, or other construction material. 

  • The act of heaping up. 

  • The process of building up, heating, and working fagots or piles to form bars, etc. 

stanchion

noun
  • A vertical pole, post, or support. 

  • A framework of such posts, used to secure or confine cattle. 

verb
  • To confine by means of stanchions, typically used for cattle. 

  • To erect stanchions, or equip something with stanchions. 

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