pleasance vs sweetness and light

pleasance

noun
  • A pleasure ground laid out with shady walks, trees and shrubs, statuary, and ornamental water; a secluded part of a garden. 

sweetness and light

noun
  • That which is good, pleasant, pure, etc. 

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