空
공
As the first character — 12 words
공간
空間
space
TOPIK 3
공기
空氣
air
TOPIK 3
공항
空港
airport
TOPIK 1
공중
空中
midair
TOPIK 5
공군
空軍
air force
TOPIK 5
공책
空冊
notebook
TOPIK 1
공연히
空然-
in vain, for nothing
TOPIK 6
공짜
空-
freebie
TOPIK 2
공기
空器
empty bowl
TOPIK 3
공백
空白
gap, space
TOPIK 6
공상
空想
fantasy, daydream
TOPIK 5
공항버스
空港
bus to the airport
TOPIK 4
As the last character — 5 words
In the middle — 5 words
6 other characters are also read 공
Characters it combines with
All 1,087 characters › — or read why hanja is worth an hour if this is the first one you have opened.
Hanja spellings, word meanings and TOPIK grades from the 국립국어원 한국어기초사전, used under CC BY-SA 2.0 KR.
The reading 공 is derived from the alignment between these words' Hangul and their hanja spellings, not taken from a character dictionary — which is also why no 훈 is shown.