drafting vs emergence

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. 

emergence

noun
  • The act of rising out of a fluid, or coming forth from envelopment or concealment, or of rising into view; sudden uprising or appearance. 

  • In particular: the arising of emergent structure in complex systems. 

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