Learning Korean (한국어 배우기) [COMPLETE]

Family

First offf~ Me
저 ~ jeo (formal way)
나 ~ na (imformal way)

Basicallyy....
Formal = good to use to adults
Imformal = good to peers, younger

You
너 ~ neo (imformal)
-님~ -nim (formal) = for example: 선생님 (sun saeng) Teacher.

Never say 너 to anyone older, you'll get beaten up :)

Family ~ 가족 (ga-jok)

Mom
엄마 (umma) Koreans use this often
어머니 (eo-meo-ni) means mother. If you call your mom 어머니, its the same as calling her mother. Also used to call others' mom or your husband/wife's mom.

Dad
아빠 (appa)
아버지 (ah-beo-ji) same concept as mother

Older Brother / Older Boy
오빠 (oppa) girl calling older brother
형 (hyung) boy calling older brother

Older Sister / Older Girl
언니 (eonni / unni) girl calling
누나 (noona) boy calling

Younger Siblings ~ 동생 (dong-saeng)
남동생 (nam-dong-saeng) younger brother
여동생 (yeo-dong-saeng) younger sister

If you put 친 (chin) in front, it means your biological sibling.
친오빠 / 친형 - biological brother
친언니 / 친누나
친동생 / 친남동생 / 친여동생

Other Families
아내 (a-nae) wife
남편 (nam-pyeon) husband
할머니 (hal-meo-ni) grandma
할아버지 (hal-a-beo-ji) grandpa
사촌 (sa-chon) cousins
조카 (jo-ka) nephew / niece