symbolization vs textbook example

symbolization

noun
  • The act of symbolizing; the use of symbols to represent things, or the investing of things with a symbolic meaning. 

  • The unconscious mental representation of one thing by another. 

textbook example

noun
  • Synonym of textbook case 

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