Nuna/Noona

Oppa

hyeong/hyung

Dongsaeng

Namdongsaeng (younger bro)  I didn't know about these

Yeodongsaeng (Younger sis)   I didn't know about these

Appa/abeoji

eomma/omma/eomeoni

bumonim (parents)

harabeoji/halabeoji/halaboji

halmeoni/halmoni

Chin +  harabeoji/halabeoji/halaboji  (Grandparents on dad side)

               halmeoni/halmoni

Eo +  harabeoji/halabeoji/halaboji  (Grandparents on mom side)

           halmeoni/halmoni

Samchon (unmarried uncle)

Keunabeoji ( parent older brother married)

Jaguenabeoi (parent younger brother married)

Gomo (Dad's side sister)

Eo + Samchon (Mom side brothers)

Imo (Mom side sister)

So many terms OTL