corpus vs perimeter

corpus

noun
  • Such a collection in form of an electronic database used for linguistic analyses. 

  • A body, a collection. 

  • A collection of writings, often on a specific topic, of a specific genre, from a specific demographic or a particular author, etc. 

perimeter

noun
  • The outer limits of an area. See synonyms at circumference. 

  • An instrument for determining the extent and shape of the field of vision. 

  • The length of such a boundary. 

  • The sum of the distance of all the lengths of the sides of an object. 

  • A fortified strip or boundary usually protecting a military position. 

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