Once you start learning Korean, you realize that sometimes you need to use the formal versions of words. It can be a bit confusing at first as you may not know all the words. Here is part 1 of some common formal and informal words in Korean.Check out or Dom & Hyo ebooks below. Our compilation features all of our graphics from 2014 until the present. Save time by getting all of them with one click. Also included are 3 ebooks to help you with your Korean studies.