engineering vs tactics

engineering

noun
  • Actions controling the motion, shape, and/or substance of any physical object(s). 

  • The application of mathematics and the physical sciences to the needs of humanity and the development of technology. 

  • Designates office area of the professional engineering staff. 

  • The area aboard a ship where the engine is located. 

tactics

noun
  • The employment and ordered arrangement of forces in relation to each other. 

  • The military science that deals with achieving the objectives set by strategy. 

  • A system of mode or procedure. 

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