reliever vs remedy

reliever

noun
  • Something which relieves (pain, etc.). 

  • A relief pitcher. 

  • Someone who fills in for another. 

remedy

noun
  • A medicine, application, or treatment that relieves or cures a disease. 

  • Something that corrects or counteracts. 

  • The accepted tolerance or deviation in fineness or weight in the production of gold coins etc. 

  • The legal means to recover a right or to prevent or obtain redress for a wrong. 

verb
  • To provide or serve as a remedy for. 

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