e.g. vs to wit

e.g.

adv

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

noun

  • An example. 

to wit

adv

  • that is to say; namely; specifically. 

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