locus vs ubication

locus

noun
  • A place or locality, especially a centre of activity or the scene of a crime. 

  • A fixed position on a chromosome that may be occupied by one or more genes. 

  • The set of all points whose coordinates satisfy a given equation or condition. 

  • A passage in writing, especially in a collection of ancient sacred writings arranged according to a theme. 

ubication

noun
  • The condition or fact of being in, or occupying, a certain place or position; location; whereness; ubiety. 

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