exaggeration vs tropology

exaggeration

noun
  • The act of heaping or piling up. 

  • The act of exaggerating; the act of doing or representing in an excessive manner; a going beyond the bounds of truth, reason, or justice; a hyperbolical representation; hyperbole; overstatement. 

  • A representation of things beyond natural life, in expression, beauty, power, vigor. 

tropology

noun
  • The use of a trope (metaphor or figure of speech). 

  • The interpretation of scripture or other work in order to educe moral or figurative meaning; a treatise of such interpretation. 

  • A recurring motif or metaphor, a trope; an interplay of tropes. 

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