misuse vs vernacularity

misuse

noun
  • An incorrect, improper or unlawful use of something. 

verb
  • To rape (a woman); later more generally, to sexually abuse (someone). 

  • To use (something) incorrectly. 

  • To abuse or mistreat (something or someone). 

vernacularity

noun
  • A vernacular utterance. 

  • The quality of being vernacular. 

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