asset vs nonnegative

asset

noun
  • A thing or quality that has value, especially one that generates cash flows. 

  • A woman's breasts or buttocks or a man's genitalia. 

  • Coordinate term: liability 

  • Any component, model, process or framework of value that can be leveraged or reused. 

  • An intelligence asset. 

  • Any item recorded on the left-hand side of a balance sheet. 

nonnegative

noun
  • Any value that is not negative. 

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