AR vs yep

AR

noun

  • alternate reality 

  • an assault rifle or automatic rifle. 

  • area record: best achievement among those by persons from a given continent 

  • an AR-15 personal semi-automatic rifle, M-16 assault rifle, M-4 carbine, derivative or related gun; the Armalite AR family and derivatives. 

name

  • Postal abbreviation of Arkansas 

yep

noun

  • Yes. 

adv

  • Yes. 

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