blemish vs rectitude

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. 

rectitude

noun
  • Conformity to the rules prescribed for moral conduct; (moral) uprightness, virtue. 

  • Straightness; the state or quality of having a constant direction and not being crooked or bent. 

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