exception vs frequency

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. 

frequency

noun
  • The quotient of the number of times n a periodic phenomenon occurs over the time t in which it occurs: f=n/t. 

  • number of times an event occurred in an experiment (absolute frequency) 

  • The rate of occurrence of anything; the relationship between incidence and time period. 

  • The property of occurring often rather than infrequently. 

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