location vs locus

location

noun
  • A particular point or place in physical space. 

  • An administrative region in Kenya, below counties and subcounties, and further divided into sublocations. 

  • The marking out of the boundaries, or identifying the place or site of, a piece of land, according to the description given in an entry, plan, map, etc 

  • A contract for the use of a thing, or service of a person, for hire. 

  • An apartheid-era urban area populated by non-white people; township. 

  • An act of locating. 

  • A leasing on rent. 

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. 

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