Schemer vs word processor

Schemer

noun
  • A person who programs in Scheme. 

word processor

noun
  • A device similar to a simple computer, designed for word processing. 

  • Software that provides word processing functions on a computer, typically including typeface selection, line justification and other formatting, pagination, and numerous other features. 

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