contractor vs plotter

contractor

noun
  • A person or company that builds or improves buildings. 

  • A person hired to do a job on a business contract, as opposed to a permanent employee. 

  • A person or company that performs specific tasks like electrical or plumbing work in construction projects. 

  • A person or company hired to maintain existing facilities like air conditioning systems, groundskeeping, etc. 

plotter

noun
  • A person who plots. 

  • An author who usually relies on a plan or outline to organize their story. 

  • An output device that draws graphs and other pictorial images on paper, sometimes using attached pens. 

  • An instrument used to mark or find the position of a vessel on a chart. 

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