문법 (mun-beop, munbeop) · 어휘 (eo-hwi, eohwi) · 발음 (bal-eum, baleum)
Grammar deals with sentence structure, vocabulary with words, and pronunciation with sound expression, each playing an essential role in learning Korean.
One lane per word — no nested boxes, just the gist.
Rules and principles for constructing correct sentences
When to use
sentence structure explanation, pointing out grammar errors, explaining morphological changes
The nuance
Grammar governs the arrangement and morphological changes of words within a sentence. Without correct grammar, sentences sound unnatural.
Words and their meanings and usage
When to use
explaining word meaning, advising word choice, comparing synonyms
The nuance
Vocabulary focuses on the words themselves, their meanings, and choosing appropriate words in context, distinct from grammar which deals with structure.
The way sounds are produced and phonetic characteristics
When to use
practicing sound production, explaining intonation, correcting pronunciation errors
The nuance
Pronunciation deals with accurate sound production, intonation, and stress, focusing on phonetic aspects unlike grammar or vocabulary.
나는 한국어 문법을 공부해요.
na-neun han-guk-eo mun-beop-eul gong-bu-hae-yo., na neun han guk eo mun beop eul gong bu hae yo.
Saying 'study grammar' is natural and correct.
나는 한국어 어휘를 공부해요.
na-neun han-guk-eo eo-hwi-reul gong-bu-hae-yo., na neun han guk eo eo hwi reul gong bu hae yo.
Saying 'study vocabulary' is also natural and correct.
나는 한국어 발음을 공부해요.
na-neun han-guk-eo bal-eum-eul gong-bu-hae-yo., na neun han guk eo bal eum eul gong bu hae yo.
Saying 'study pronunciation' naturally means practicing pronunciation.
이 문장은 문법이 틀렸어요.
i mun-jang-eun mun-beop-i teul-ryeoss-eo-yo., i mun jang eun mun beop i teul ryeoss eo yo.
Appropriate when pointing out grammar mistakes.
이 단어의 문법을 알려 주세요.
i dan-eo-ui mun-beop-eul al-ryeo ju-se-yo., i dan eo ui mun beop eul al ryeo ju se yo.
Words themselves don't have grammar; vocabulary should be used instead.
발음을 고르세요.
bal-eum-eul go-reu-se-yo., bal eum eul go reu se yo.
Pronunciation is not something to choose but to practice or evaluate.
새로운 어휘를 많이 외워야 해요.
sae-ro-un eo-hwi-reul man-i oe-wo-ya hae-yo., sae ro un eo hwi reul man i oe wo ya hae yo.
Saying 'memorize vocabulary' fits word learning.
문법을 외워야 해요.
mun-beop-eul oe-wo-ya hae-yo., mun beop eul oe wo ya hae yo.
Grammar requires understanding and application more than rote memorization.
Which sentence correctly uses '문법'?
Which situation is most related to '어휘'?
Which is a correct use of '발음'?
