exception vs norm

exception

noun
  • An objection; cavil; dissent; disapprobation; offense; cause of offense; — usually followed by to or against. 

  • An objection, on legal grounds; also, as in conveyancing, a clause by which the grantor excepts or reserves something before the right is transferred. 

  • An interruption in normal processing, typically caused by an error condition, that can be raised ("thrown") by one part of the program and handled ("caught") by another part. 

  • The act of excepting or excluding; exclusion; restriction by taking out something which would otherwise be included, as in a class, statement, rule. 

  • That which is excluded from others; a person, thing, or case, specified as distinct, or not included. 

norm

verb
  • To endow (a vector space, etc.) with a norm. 

noun
  • if v ne 0 then |v| ne 0; 

  • That which is normal or typical. 

  • A high level of performance in a chess tournament, several of which are required for a player to receive a title. 

  • A rule that is imposed by regulations and/or socially enforced by members of a community. 

  • A sentence with non-descriptive meaning, such as a command, permission, or prohibition. 

  • given a scalar k, |kv|=|k|·|v|, where |k| is the absolute value of k; 

  • given two vectors v,w, |v+w|<|v|+|w| (the triangle inequality). 

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