e.g. vs elucidation

e.g.

noun
  • An example. 

adv
  • "for example" or "for the sake of an example": used to introduce an illustrative example or short list of examples. 

elucidation

noun
  • A making clear; the act of elucidating or that which elucidates, as an explanation, an exposition, an illustration 

How often have the words e.g. and elucidation occurred in a corpus of books? (source: Google Ngram Viewer )