architect vs draftsman

architect

noun
  • A professional who designs buildings or other structures, or who prepares plans and superintends construction. 

  • An honorific given to architects. Usually capitalized or abbreviated as Arch./Ar. before the person's name. 

  • A person who plans, devises or contrives the achievement of a desired result. 

verb
  • To design, plan, or orchestrate. 

draftsman

noun
  • A person who drafts legal documents. 

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