acerbation vs woe

acerbation

noun
  • Bitterness of feeling. 

  • Exacerbation, aggravation, deterioration. 

woe

noun
  • Great sadness or distress; a misfortune causing such sadness. 

  • A curse; a malediction. 

  • Calamity, trouble. 

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