illiteracy vs schooling

illiteracy

noun
  • The portion of a population unable to read and write, generally given as a percentage. 

  • A word, phrase, or grammatical turn thought to be characteristic of an illiterate person. 

  • Unlearnedness; the state of being ignorant or unlettered. 

  • The inability to read and write. 

schooling

noun
  • Training or instruction. 

  • Institutional education; attendance of school. 

  • The training of a horse at dressage. 

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