교환하다 (gyo-hwan-ha-da, gyohwanhada) · 바꾸다 (ba-kku-da, bakkuda)
교환하다 is formal and mainly used for exchanging goods or services, while 바꾸다 is casual and used broadly for various kinds of changes or swaps.
One lane per word — no nested boxes, just the gist.
To exchange or return goods or services formally or according to set procedures.
When to use
Product exchange, Service change, Receipt required
The nuance
Used in formal contexts or when exchanging goods/services, especially in stores or contractual situations.
To change or swap things, people, or states freely in everyday contexts.
When to use
Changing clothes color, Swapping seats with a friend, Changing phone number
The nuance
Used informally and broadly, including changes involving people or situations.
이 상품은 7일 이내에 교환할 수 있습니다.
i sang-pum-eun 7il i-nae-e gyo-hwan-hal su iss-seup-ni-da., i sang pum eun 7il i nae e gyo hwan hal su iss seup ni da.
Appropriate expression for formal product exchange situations.
이 상품은 7일 이내에 바꿀 수 있습니다.
i sang-pum-eun 7il i-nae-e ba-kkul su iss-seup-ni-da., i sang pum eun 7il i nae e ba kkul su iss seup ni da.
Lacks formal nuance needed for product exchange; 교환하다 should be used.
옷 색상을 바꾸고 싶어요.
os saek-sang-eul ba-kku-go sip-eo-yo., os saek sang eul ba kku go sip eo yo.
Naturally used for casual changes like clothes color.
옷 색상을 교환하고 싶어요.
os saek-sang-eul gyo-hwan-ha-go sip-eo-yo., os saek sang eul gyo hwan ha go sip eo yo.
Color change isn't a formal exchange, so it's unnatural.
서비스를 교환하려면 고객센터에 연락하세요.
seo-bi-seu-reul gyo-hwan-ha-ryeo-myeon go-gaek-sen-teo-e yeon-rak-ha-se-yo., seo bi seu reul gyo hwan ha ryeo myeon go gaek sen teo e yeon rak ha se yo.
Appropriate for indicating formal procedure in service changes.
서비스를 바꾸려면 고객센터에 연락하세요.
seo-bi-seu-reul ba-kku-ryeo-myeon go-gaek-sen-teo-e yeon-rak-ha-se-yo., seo bi seu reul ba kku ryeo myeon go gaek sen teo e yeon rak ha se yo.
Inappropriate when formal nuance is needed for service changes.
친구와 자리를 바꿨어요.
chin-gu-wa ja-ri-reul ba-kkwoss-eo-yo., chin gu wa ja ri reul ba kkwoss eo yo.
Natural expression for informal seat swapping.
친구와 자리를 교환했어요.
chin-gu-wa ja-ri-reul gyo-hwan-haess-eo-yo., chin gu wa ja ri reul gyo hwan haess eo yo.
Seat swapping isn't a formal exchange, so it's unnatural.
Which word should you use to formally exchange or return goods?
Which word fits the situation of swapping seats with a friend?
What is the natural expression when changing clothes color?
