To verify or confirm facts or contents accurately
When to use
fact verification, information confirmation, official document check
The nuance
Used when verifying accurate information or facts. Suitable for formal and precise contexts.
확인하다 (hwak-in-ha-da, hwakinhada) · 체크하다 (che-keu-ha-da, chekeuhada)
확인하다 and 체크하다 both mean 'to check something,' but 확인하다 emphasizes accuracy and fact verification, while 체크하다 is more commonly used for checking lists or items.

One lane per word — no nested boxes, just the gist.
To verify or confirm facts or contents accurately
When to use
fact verification, information confirmation, official document check
The nuance
Used when verifying accurate information or facts. Suitable for formal and precise contexts.
To check off items or inspect a list one by one
When to use
list inspection, task checking, informal check
The nuance
Mainly used when inspecting lists, items, or tasks. Suitable for casual and informal situations.
비행기 탑승 전에 여권을 확인해야 합니다.
bi-haeng-gi tap-seung jeon-e yeo-gwon-eul hwak-in-hae-ya hap-ni-da., bi haeng gi tap seung jeon e yeo gwon eul hwak in hae ya hap ni da.
Checking the passport, an official document, for accuracy fits '확인하다'.
회의 시작 전에 참석자 명단을 체크하세요.
hoe-ui si-jak jeon-e cham-seok-ja myeong-dan-eul che-keu-ha-se-yo., hoe ui si jak jeon e cham seok ja myeong dan eul che keu ha se yo.
Inspecting a list of attendees suits '체크하다'.
이 계약서 내용을 체크해 주세요.
i gye-yak-seo nae-yong-eul che-keu-hae ju-se-yo., i gye yak seo nae yong eul che keu hae ju se yo.
Contract contents require fact verification, so use '확인하다'.
할 일 목록을 확인했어요.
hal il mok-rok-eul hwak-in-haess-eo-yo., hal il mok rok eul hwak in haess eo yo.
For checking a to-do list, '체크하다' is more natural.
이메일 주소를 확인해 주세요.
i-me-il ju-so-reul hwak-in-hae ju-se-yo., i me il ju so reul hwak in hae ju se yo.
Verifying the accuracy of an email address calls for '확인하다'.
짐 싸기 전에 준비물을 확인하세요.
jim ssa-gi jeon-e jun-bi-mul-eul hwak-in-ha-se-yo., jim ssa gi jeon e jun bi mul eul hwak in ha se yo.
Checking a list of items to pack suits '체크하다'.
비밀번호를 체크하는 것은 보안상 중요하다.
bi-mil-beon-ho-reul che-keu-ha-neun geos-eun bo-an-sang jung-yo-ha-da., bi mil beon ho reul che keu ha neun geos eun bo an sang jung yo ha da.
Verifying password correctness requires '확인하다'.
출근 전에 출석부를 체크했습니다.
chul-geun jeon-e chul-seok-bu-reul che-keu-haess-seup-ni-da., chul geun jeon e chul seok bu reul che keu haess seup ni da.
Checking an attendance list fits '체크하다'.
Which word fits checking an attendee list at a meeting?
Which word is correct when reviewing contract contents?
Which word suits checking a to-do list?