adverse possession vs scrip

adverse possession

noun
  • A means of acquiring title to another's real property without compensation by occupying the property in a manner that has under common law the requirements of being actual, open and notorious, exclusive, hostile, under cover of claim or right, and continuous for a certain number of years. 

scrip

noun
  • A document signifying a power to obtain a specified acreage of public land. 

  • A substitute for legal tender that is produced by a local government or a private organization. 

  • A scrap of paper. 

  • A medical prescription. 

  • A share certificate. 

  • A small medieval bag used to carry food, money, utensils etc. 

  • A voucher or token coin used in place of legal tender for payment of wages. 

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