blemish vs blight

blemish

verb
  • To spoil the appearance of. 

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

noun
  • A moral defect; a character flaw. 

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

blight

verb
  • To spoil, ruin, or destroy (something). 

  • To affect with blight; to blast; to prevent the growth and fertility of. 

  • To suffer blight. 

noun
  • The bacterium, virus or fungus that causes such a condition. 

  • A rapid and complete chlorosis, browning, then death of plant tissues such as leaves, branches, twigs, or floral organs. 

  • Anything that impedes growth or development or spoils any other aspect of life. 

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