exception vs usual

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. 

usual

noun
  • A specific good or service (e.g. a drink) that someone typically orders. 

  • The typical state of something, or something that is typical. 

adj
  • Most commonly occurring; typical. 

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