allay vs drive away

allay

verb
  • To alleviate; to abate; to mitigate. 

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

noun
  • Alleviation; abatement; check. 

drive away

verb
  • To force someone or something to leave 

  • Used other than figuratively or idiomatically: see drive, away. 

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