drafting vs ornamentation

drafting

noun
  • The act or process of producing a technical drawing, or draft. 

  • A method of preparing fibers for weaving. 

  • The practice among ground vehicle drivers or cyclists of following in a close line to reduce wind resistance. 

  • A profession, usually related to making technical drawings for architecture, engineering, or manufacturing. 

ornamentation

noun
  • The act or process of decorating etc. 

  • Decoration, adornment or embellishment. 

  • Short notes added to a composition to emphasize certain notes and to add style. 

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