pollute vs sully

pollute

verb
  • To corrupt or profane 

  • To violate sexually; to debauch; to dishonour. 

  • To make something harmful, especially by the addition of some unwanted product. 

  • To make something or somewhere less suitable for some activity, especially by the introduction of some unnatural factor. 

adj
  • Polluted; defiled. 

sully

verb
  • To corrupt or damage. 

  • To soil or stain; to dirty. 

  • To become soiled or tarnished. 

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