distinction vs unimportance

distinction

noun
  • That which distinguishes; a single occurrence of a determining factor or feature, the fact of being divided; separation, discrimination. 

  • The act of distinguishing, discriminating; discrimination. 

  • Specifically, a feature that causes someone or something to stand out as being better; a mark of honour, rank, eminence or excellence; being distinguished. 

unimportance

noun
  • Lack of importance. 

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