heritability vs realty

heritability

noun
  • The condition of being inheritable 

  • The ratio of the genetic variance of a population to its phenotypic variance; i.e. the proportion of variability that is genetic in origin 

realty

noun
  • The property that goes to the heirs of the deceased, as distinguished from the personalty, which goes to the executor or administrator of the estate. 

  • Real estate; a piece of real property; land. 

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