immortal rind vs pertness

immortal rind

noun
  • See under rind (“gall”). 

pertness

noun
  • The quality of being pert; cheekiness, impudence. 

  • The quality of being pert; firmness (usually of breasts). 

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