Pronunciation Rules (발음 규칙)

발음 규칙

Learning Objectives

Why Pronunciation Rules Matter

Korean spelling and pronunciation often differ. When you read 먹어요, the letters say "meok-eo-yo," but Koreans actually say "meo-geo-yo." This is not irregular — it follows systematic pronunciation rules that apply consistently across the language.

Learning these rules will help you: - Sound natural when speaking - Understand spoken Korean that does not match the spelling - Predict how unfamiliar words are pronounced

Rule 1: 연음 (Liaison / Linking)

When a 받침 is followed by a syllable starting with ㅇ (silent placeholder), the 받침 consonant moves to the next syllable.

This is the most common and most important rule. It is also the most intuitive — you are simply connecting the final consonant to the next vowel sound.

Written Pronounced as Meaning
먹어요 [머거요] I eat
읽어요 [일거요] I read
있어요 [이써요] there is
한국어 [한구거] Korean language
음악 [으막] music
옷이 [오시] clothes (subject)
꽃을 [꼬츨] flower (object)

Special Cases with ㅎ 받침

When ㅎ is the 받침 and is followed by a vowel, the ㅎ disappears (it is not linked):

Written Pronounced as Meaning
좋아요 [조아요] it is good
놓아요 [노아요] to put down
많이 [마니] a lot

Complex 받침 Liaison

When a 겹받침 (double 받침) is followed by a vowel, the second consonant moves to the next syllable:

Written Pronounced as Meaning
읽어요 [일거요] I read (ㄺ → ㄹ stays, ㄱ moves)
없어요 [업서요] there is not (ㅄ → ㅂ stays, ㅅ moves)
앉아요 [안자요] I sit (ㄵ → ㄴ stays, ㅈ moves)

Rule 2: 비음화 (Nasalization)

When certain consonants appear before nasal consonants (ㄴ, ㅁ), they change to the corresponding nasal sound.

Korean has three nasal consonants: ㄴ [n], ㅁ [m], and ㅇ [ng]. Nasalization means a non-nasal consonant transforms into a nasal one when it is next to another nasal.

Pattern: Stops → Nasals

받침 Before ㄴ or ㅁ Becomes Example
ㄱ, ㅋ, ㄲ + ㄴ/ㅁ ㅇ [ng] 학년 → [항년], 한국말 → [한궁말]
ㄷ, ㅌ, ㅅ, ㅆ, ㅈ, ㅊ, ㅎ + ㄴ/ㅁ ㄴ [n] 있는 → [인는], 맛없다 → [만넙따]
ㅂ, ㅍ + ㄴ/ㅁ ㅁ [m] 합니다 → [함니다], 십만 → [심만]

How to Remember

The rule follows the place of articulation: - Back of mouth (ㄱ group) → nasalizes to ㅇ (back nasal) - Front of mouth / tongue tip (ㄷ group) → nasalizes to ㄴ (tongue nasal) - Lips (ㅂ group) → nasalizes to ㅁ (lip nasal)

Articulation Point Stop Nasal
Velar (back) → ㅇ
Alveolar (tongue) → ㄴ
Bilabial (lips) → ㅁ

Rule 3: 경음화 (Tensification)

After certain 받침 consonants, the following plain consonant becomes its tense (double) version.

Plain Becomes Tense
ㄱ →
ㄷ →
ㅂ →
ㅅ →
ㅈ →

When Does It Happen?

After 받침 ㄱ, ㄷ, ㅂ (stop consonants):

Written Pronounced as Meaning
학교 [학꾜] school
식당 [식땅] restaurant
읽다 [익따] to read
앞자리 [압짜리] front seat
국수 [국쑤] noodles
답장 [답짱] reply

After 받침 ㄹ with ㄱ, ㄷ, ㅂ, ㅅ, ㅈ:

Written Pronounced as Meaning
발전 [발쩐] development
물가 [물까] prices
달빛 [달삗] moonlight

In certain grammatical patterns (verb conjugation):

Written Pronounced as Meaning
할 것 [할 껏] will do
갈 수 [갈 쑤] can go

Rule 4: 격음화 (Aspiration)

When ㅎ meets certain consonants (ㄱ, ㄷ, ㅂ, ㅈ), they merge into the corresponding aspirated consonant.

Combination Becomes Example
ㅎ + ㄱ or ㄱ + ㅎ 축하 → [추카], 먹히다 → [머키다]
ㅎ + ㄷ or ㄷ + ㅎ 좋다 → [조타], 못하다 → [모타다]
ㅎ + ㅂ or ㅂ + ㅎ 급하다 → [그파다]
ㅎ + ㅈ or ㅈ + ㅎ 좋지 → [조치]

This rule works in both directions — it does not matter whether ㅎ comes first or second:

Written Direction Pronounced as
놓다 ㅎ + ㄷ [노타]
먹히다 ㄱ + ㅎ [머키다]

Rule 5: ㄹ Rules

The consonant ㄹ has several special behaviors:

ㄹ + ㄴ → ㄹ + ㄹ (ㄹ Assimilation)

When ㄹ is followed by ㄴ (or ㄴ is followed by ㄹ), the ㄴ often becomes ㄹ:

Written Pronounced as Meaning
설날 [설랄] New Year's Day
진리 [질리] truth
연락 [열락] contact
실내 [실래] indoor

ㄴ + ㄹ → ㄹ + ㄹ

Written Pronounced as Meaning
신라 [실라] Silla (kingdom)
관리 [괄리] management
편리 [펼리] convenient

Exception: Sino-Korean ㄴ + ㄹ → ㄴ + ㄴ

In some Sino-Korean compound words, ㄴ+ㄹ becomes ㄴ+ㄴ instead:

Written Pronounced as Meaning
생산량 [생산냥] production volume
의견란 [의견난] opinion column

Summary Table

Rule Name Trigger Example
연음 Liaison 받침 + ㅇ(silent) 먹어 → [머거]
비음화 Nasalization Stop + ㄴ/ㅁ 합니다 → [함니다]
경음화 Tensification Stop받침 + plain C 학교 → [학꾜]
격음화 Aspiration ㅎ + ㄱ/ㄷ/ㅂ/ㅈ 좋다 → [조타]
ㄹ 동화 ㄹ assimilation ㄹ + ㄴ or ㄴ + ㄹ 설날 → [설랄]

How Multiple Rules Interact

Sometimes, more than one rule applies in sequence. Process them in order:

Example: 읽는다 (to read — present tense)

  1. Start with: 읽 + 는 + 다
  2. 겹받침 ㄺ: Before ㄴ, only ㄱ is pronounced → 익는다
  3. Nasalization: ㄱ + ㄴ → ㅇ + ㄴ → [잉는다]
  4. Final pronunciation: [잉는다]

Example: 없는 (not existing)

  1. Start with: 없 + 는
  2. 겹받침 ㅄ: Before ㄴ, only ㅂ is pronounced → 업는
  3. Nasalization: ㅂ + ㄴ → ㅁ + ㄴ → [엄는]
  4. Final pronunciation: [엄는]

Practice: What Is the Actual Pronunciation?

Try to figure out the pronunciation before checking the answers:

Written Your Answer Actual Pronunciation Rule(s)
같이 ? [가치] ㅌ받침 + ㅇ → liaison + aspiration
독립 ? [동닙] ㄱ+ㄹ → nasalization (ㄱ→ㅇ, ㄹ→ㄴ)
입학 ? [이팍] ㅂ+ㅎ → aspiration (→ ㅍ)
맞다 ? [맏따] ㅈ받침→[ㄷ] + 경음화
놓는 ? [논는] ㅎ+ㄴ → ㅎ disappears, nasalization

Vocabulary

Word Romanization Meaning
음악 eumak music
한국말 hangungmal Korean language
십만 simman 100,000
학교 hakgyo → [hakkkyo] school
식당 sikdang → [siktang] restaurant
축하 chukha → [chuka] congratulations
좋다 johda → [jota] good
신라 sinra → [silla] Silla (ancient kingdom)
노동 nodong labor

Examples

음악

[eu-mak] → [eu-mak]

music — no rule change needed (받침 ㅁ before vowel ㅏ → liaison: [eu-ma-k] is wrong because ㄱ is 받침 of 악)

먹어요

[meo-geo-yo]

'I eat' — 받침 ㄱ of 먹 moves to 어 → [머거요]

합니다

[ham-ni-da]

'I do (formal)' — 받침 ㅂ before ㄴ → nasalized to ㅁ

좋아요

[jo-a-yo]

'It is good' — ㅎ받침 before vowel disappears → [조아요]

설날

[seol-lal]

New Year's Day — ㄹ+ㄴ → ㄹ+ㄹ (ㄹ assimilation)

Quiz

5 questions

1. How is 먹어요 actually pronounced?

2. What happens when 받침 ㅂ appears before ㄴ?

3. 축하 is pronounced as [____] because ㄱ+ㅎ merge into ㅋ.

4. What pronunciation rule makes 학교 sound like [학꾜]?

5. How is 좋아요 pronounced?

Key Takeaways