blemish vs excellence

blemish

noun
  • A moral defect; a character flaw. 

  • A small flaw which spoils the appearance of something, a stain, a spot. 

verb
  • To tarnish (reputation, character, etc.); to defame. 

  • To spoil the appearance of. 

excellence

noun
  • The quality of being excellent; brilliance 

  • Something in which one excels. 

  • An excellent or valuable quality; something at which any someone excels; a virtue. 

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