ignorance vs unsophistication

ignorance

noun
  • The condition of being uninformed or uneducated; lack of knowledge or information. 

  • Sins committed through ignorance. 

unsophistication

noun
  • Absence of sophistication; the quality of being unsophisticated. 

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