alleviation vs soothing

alleviation

noun
  • the act of alleviating; relief or mitigation. 

  • the act of reducing pain or anything else unpleasant; easement 

soothing

noun
  • The act by which somebody is soothed. 

adj
  • Giving relief. 

  • Freeing from fear or anxiety. 

  • Tending to soothe. 

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