deficiency vs excess

deficiency

noun
  • Inadequacy or incompleteness. 

  • An insufficiency, especially of something essential to health. 

  • The codimension of a linear system in the corresponding complete linear system. 

  • The amount by which the number of double points on a curve is short of the maximum for curves of the same degree. 

excess

verb
  • To declare (an employee) surplus to requirements, such that he or she might not be given work. 

noun
  • An act of eating or drinking more than enough. 

  • Spherical excess, the amount by which the sum of the three angles of a spherical triangle exceeds two right angles. The spherical excess is proportional to the area of the triangle. 

  • The degree or amount by which one thing or number exceeds another; remainder. 

  • The state of surpassing or going beyond a limit; the state of being beyond sufficiency, necessity, or duty; more than what is usual or proper. 

  • A condition on an insurance policy by which the insured pays for a part of the claim. 

adj
  • More than is normal, necessary or specified. 

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