corrosiveness vs mordancy

corrosiveness

noun
  • The quality or property of corroding or being corrosive, of eating away or disintegrating; acrimony. 

  • Some property characteristic of a corrosive substance, as its taste. 

  • Such property in some immaterial agent. 

mordancy

noun
  • The state or quality of being mordant. 

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