외 (outside)

외과

surgery, external medicine (outside + section)

외모

appearance (outside + looks)

외박

staying out overnight (outside + anchor/stay)

외부

outside (outside + part)

외식

eating out (outside + meal)

외출

going out (outside + go out)

외국

foreign country (foreign + nation)

외교

diplomacy (foreign + exchange)

외제

foreign brand (foreign + manufacture)

외삼촌

one's maternal uncle (relatives of one's mother + three + degree of kinship)

교외

suburb (outside the castle + outside)

시외

out of town (city + outside)

야외

outdoors (field + outside)

국외

foreign country (nation + outside)

과외

extra-curricular study (subject + outside)

내외

around, married couple (inside + outside)

예외

exception (example + outside)

의외

unexpected (will + outside)

재외

exclusion (lessen + outside)

해외

overseas (sea + outside)