designer vs facilitator

designer

noun
  • A software tool for designing things. 

  • A person who designs something, or who designs things as a profession. 

  • A plotter or schemer. 

adj
  • Created by a designer, especially a fashion designer. 

facilitator

noun
  • Something that facilitates 

  • A person who helps a group to have an effective dialog without taking any side of the argument, especially in order to reach a consensus. 

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