colligation vs proximity

colligation

noun
  • A binding together. 

  • The formulation of a general hypothesis which seeks to connect two or more facts. 

  • The co-occurrence of syntactic categories, usually within a sentence. 

proximity

noun
  • Closeness; the state of being near as in space, time, or relationship. 

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