decision vs irregularity

decision

noun
  • Firmness of conviction. 

  • A result arrived at by the judges when there is no clear winner at the end of the contest. 

  • A choice or judgement. 

  • A win or a loss awarded to a pitcher. 

  • The act of deciding. 

verb
  • To defeat an opponent by a decision of the judges, rather than by a knockout 

irregularity

noun
  • A violation of rules. 

  • An object or event that is not regular or ordinary. 

  • An instance of being irregular. 

  • Irregular bowel movement (e.g. diarrhea or constipation). 

  • The state or condition of being irregular, or the extent to which something is irregular. 

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