adverse possession vs portion

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. 

portion

noun
  • The part of an estate given or falling to a child or heir; an inheritance. 

  • An allocated amount. 

  • That which is divided off or separated, as a part from a whole; a separated part of anything. 

  • One's fate; lot. 

  • A wife's fortune; a dowry. 

verb
  • To divide into amounts, as for allocation to specific purposes. 

  • To endow with a portion or inheritance. 

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