basic words and phrases

hello (polite)

안녕하세요

hello (casual)

안녕

goodbye (formal, they are leaving)

안녕히 가세요

goodbye (casual, they are leaving)

잘가

goodbye (polite, you are leaving)

안녕히 계세요

goodbye (casual, you are leaving)

잘있어

yes (polite)

네

yes (casual)

응

okay (polite)

알았어요

okay (casual)

알았어

no (polite)

아니요

no (casual)

아니

sounds good/cool/sure (polite)

좋아요

sounds good/cool/sure (casual)

좋아

hello? (otp)

여보세요

thank you for the meal (polite, before eating)

잘 먹겠습니다

thank you for the meal (casual, before eating)

잘 먹을게

thank you for the meal (polite, after eating)

잘 먹었습니다

thank you for the meal (casual, after eating)

잘 먹었어

i'm sorry (polite)

죄송합니다

i'm sorry (casual)

미안해

thank you (polite)

감사합니다

thank you (casual)

고마워

you are welcome/don't mention it (polite)

아니에요

you are welcome/don't mention it (casual)

아니야

it's okay (polite)

괜찮아요

it's okay (casual)

괜찮아

i don't know (polite)

몰라요

i don't know (casual)

몰라

i know (polite)

알아요

i know (casual)

알아