excess vs redundancy

excess

noun
  • 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. 

  • 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. 

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

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

adj
  • More than is normal, necessary or specified. 

redundancy

noun
  • The state of being redundant 

  • Duplication of parts of a message to guard against transmission errors. 

  • surplusage inserted in a pleading which may be rejected by the court without impairing the validity of what remains. 

  • A superfluity; something redundant or excessive; a needless repetition in language 

  • Duplication of components or circuits to provide survival of the total system in case of failure of single components. 

  • The state of being unemployed because one's job is no longer necessary; the dismissal of such an employee; a layoff. 

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