accusation vs allay

accusation

noun
  • A formal charge brought against a person in a court of law. 

  • An allegation. 

  • The act of accusing. 

allay

noun
  • Alleviation; abatement; check. 

verb
  • To make quiet or put at rest; to pacify or appease; to quell; to calm. 

  • To alleviate; to abate; to mitigate. 

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