plotter vs schemer

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. 

schemer

noun
  • One who plots or schemes, who formulates plans. 

  • One who is given to scheming. 

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