나요 or 나아요? Keep 나다 and 낫다 Apart When Writing Korean
Write 나요 for 나다 and 나아요 for 낫다 in the polite present form. The extra 아 is not decorative. Before correcting the spelling, decide which dictionary word your sentence uses.
A sound coming from a speaker and an option being better are different ideas. In this lesson, you will keep those ideas separate, compare the forms in a small table, and write your own short exchange. The examples below are created for practice, not copied from a dictionary dialogue.
1. Start with the dictionary word
For a sound example, use 소리가 나요. You can understand this as “There is a sound” or “A sound is coming out,” depending on the context. The word behind 나요 is 나다.
For a preference example, try 저는 이게 더 나아요. In the situation of choosing between two options, this can mean “This one is better for me.” Here the word is 낫다. The sentence does not use the sound-producing meaning of 나다.
The National Institute of Korean Language’s spelling explanation distinguishes the forms of the two words. For 낫다, the final ㅅ disappears before a vowel-initial ending. It remains in forms such as 낫고 and 낫지. Do not remove every final ㅅ from every Korean word by analogy.
2. Compare the present and past forms
| Dictionary word | Polite present | Polite past | Practice context |
|---|---|---|---|
| 나다 | 나요 | 났어요 | A sound occurring |
| 낫다 | 나아요 | 나았어요 | One option being better |
Keep 나았어요 and 났어요 attached to their original words. A spellchecker cannot choose the intended idea from a fragment alone. Read the surrounding sentence before replacing one with the other.
Try a past-tense sound note: 아까 큰 소리가 났어요. This says that a loud sound occurred earlier. For a comparison, 어제는 이 자리가 더 나았어요. can say that this seat or spot was better yesterday in the situation being discussed. Supply the context rather than treating a short English gloss as the only translation.
3. Practise a two-situation exchange
Situation A: testing a speaker.
가: 소리가 나요?
나: 네, 소리가 나요.
Situation B: choosing a seat.
가: 어느 자리가 더 나아요?
나: 저는 창가 자리가 더 나아요.
These are two separate fictional situations. In the first, the question concerns whether there is sound. In the second, the speaker compares seats. The second exchange expresses a preference; it does not establish which seat is objectively best for every person.
Cover the table and fill the blanks: 소리가 ___. / 저는 이게 더 ___. For these intended meanings, the answers are 나요 and 나아요. Then change each sentence to the past: 났어요 and 나았어요. Say the sentence aloud after checking the spelling.
To make your own exercise, write the dictionary form above the sentence first. Add a one-line context in English, then the Korean sentence. If you cannot decide on the headword, return to the meaning before trying to memorize the ending.
4. Questions about the extra syllable
Are 나요 and 나아요 interchangeable spellings?
No. In the examples here they come from different dictionary words. Choose the intended word before choosing the form.
Why is ㅅ still present in 낫고?
The cited explanation describes the loss before vowel-initial endings. The ending in 낫고 begins with a consonant. Keep the condition with the rule.
Does every word ending in ㅅ follow this pattern?
No universal rule is established by these two examples. Check each dictionary headword and its conjugation information rather than applying this lesson to an unfamiliar word automatically.
Check the official 나다·낫다 spelling explanation
Source: National Institute of Korean Language, 「나다」와 「낫다」의 활용, 6 December 2019; checked 12 October 2026. The conjugation distinction follows that explanation. The English guidance, practice situations and exercises are original teaching examples.
The cover illustration was created with AI for this language lesson.
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