drafting vs formation

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. 

formation

noun
  • The act of assembling a group or structure. 

  • An arrangement of players designed to facilitate certain plays. 

  • An arrangement of moving troops, ships, or aircraft, such as a wedge, line abreast, or echelon. Often "in formation". 

  • A structure made of two categories, two functors from the first to the second category, and a transformation from one of the functors to the other. 

  • The process during which something comes into being and gains its characteristics. 

  • Something possessing structure or form. 

  • A layer of rock of common origin. 

  • A grouping of military units or smaller formations under a command, such as a brigade, division, wing, etc. 

  • The process of influencing or guiding a person to a deeper understanding of a particular vocation. 

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