jargon vs provincialisms

jargon

verb
  • To utter jargon; to emit confused or unintelligible sounds. 

noun
  • Speech or language that is incomprehensible or unintelligible; gibberish. 

  • A technical terminology unique to a particular subject. 

  • A language characteristic of a particular group. 

provincialisms

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