countervail vs offstand

countervail

verb
  • To compensate for. 

  • To counteract, counterbalance or neutralize. 

offstand

verb
  • To offset; compensate for; make restitution for. 

  • To endure against; stand or ward off; defend against; withstand; resist. 

noun
  • Offset; restitution. 

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