Korean Tense Consonants: Lessons and Practice

Korean tense consonants are the five letters ㄲ, ㄸ, ㅃ, ㅆ and ㅉ, pronounced with a tight throat and almost no puff of air. They form a three-way contrast with the plain letters ㄱ ㄷ ㅂ ㅈ ㅅ and the aspirated letters ㅋ ㅌ ㅍ ㅊ. Ten lessons here teach the contrast pair by pair, with audio.

Key Facts

• Korean has five tense consonants: ㄲ, ㄸ, ㅃ, ㅆ and ㅉ.
• Each tense letter has a plain partner (ㄱ, ㄷ, ㅂ, ㅅ, ㅈ) and, except for ㅆ, an aspirated partner (ㅋ, ㅌ, ㅍ, ㅊ).
• Tense consonants are made with a tight throat and almost no puff of air; aspirated consonants have a strong puff.
• The contrast changes meaning: 달 (moon), 딸 (daughter) and 탈 (mask).
• The contrast works at the start of a syllable and disappears at the end: 박 and 밖 both sound [박].
• The ㅅ set is the only two-way set: ㅅ and ㅆ have no aspirated third member.

Last updated: 2026-10-09. The Korean text, romanization and audio scripts in this section are generated drafts that still await review by a Korean specialist.

What Are Korean Tense Consonants?

Korean tense consonants are consonants made with a tight throat and almost no puff of air, written as doubled letters. Together with plain and aspirated consonants they make a three-way contrast that English does not have. English separates sounds such as b and p by voicing, and Korean separates them by breath and tension.

Hear the tongue-tip set first. The breath is strongest in the third clip and weakest in the second. The fourth clip plays the two-member set 살 and 쌀.

The sets are taught in the same order everywhere in this section, so a learner can move from one pair to the next without relearning the cues. The decision table below sends each learner to the right lesson.

Where to Start with Korean Tense Consonants

Start with the lesson that matches your problem. The table sends each common situation to one lesson.

If none of the rows fits, the overview is the safe choice. The sections below describe each lesson in detail.

What Does the Overview Teach?

The overview, Plain Tense Aspirated Consonants, teaches the system as a whole. It names the three types, explains the three cues of breath, throat tension and vowel pitch, and gives a listening test with nine clips and a tissue test for the home. It also shows where the contrast disappears, at the end of a syllable, and why romanization hides it. It is the only lesson in this section that covers all five sets at once.

Which Lessons Compare the Letter Sets?

Five lessons compare one set each, and all five use the same structure: the sounds on their own, which English letter the plain sound resembles (such as g or k), the end-of-syllable form, a worked example and a practice set.

• Korean ㄱ ㅋ ㄲ Difference teaches the back-of-tongue set with 굴, 꿀 and 쿨, explains why ㄱ is neither g nor k, and decodes ㅋㅋ in chat messages.
• Korean ㄷ ㅌ ㄸ Difference teaches the tongue-tip set with 달, 딸 and 탈, separates RR "tt" from the tt of American "butter", and explains why 같이 is spoken [가치].
• Korean ㅂ ㅍ ㅃ Difference teaches the lip set with 불, 뿔 and 풀, shows why 아빠 and 아파요 differ, and previews the [m] in 감사합니다.
• Korean ㅈ ㅊ ㅉ Difference teaches the affricates with 자다, 짜다 and 차다, compares them with English j and ch, and explains why 가져요 is spoken [가저요].
• Korean ㅅ ㅆ Difference teaches the only two-way set with 살, 쌀, 사다 and 싸다, and shows ㅆ in past-tense endings such as 갔어요.

Take the lessons in this order, because each one assumes the cues from the earlier ones. The remaining lessons deal with production and with effects around the consonants.

How Do You Make a Tense Sound?

You make a tense sound with four steps: set the place of the mouth, tighten the throat, release without air, and start the vowel high and short. The lesson How to Pronounce Korean Tense Consonants teaches the method for all five tense letters, adds a paper test that shows missing breath, and lists five common errors with fixes. It is the right lesson for a learner who can hear the contrast but cannot yet make it.

What Affects How Plain and Tense Sounds Behave?

Three lessons explain effects around the consonants. They are best read after the pair lessons.

• Korean Consonant Voicing predicts when ㄱ, ㄷ, ㅂ and ㅈ sound voiced or unvoiced, in words such as 아기, 바다 and 아버지.
• Korean S or Sh Sound explains why one letter, ㅅ, covers both s and sh, with 시, 사, 수 and 쉬.
• Korean Consonants and Pitch: how tense and aspirated consonants raise the pitch of the next vowel.

Voicing and the s-or-sh question are level A1, and the pitch lesson is level B1, so the last one can wait. A table now compares the lessons side by side.

Comparing the Korean Tense Consonants Lessons

The table compares the ten lessons by what each fixes, the level and the headline words.

Each published lesson has audio for its examples and takes about 25 to 30 minutes to read and practise. After comparing, the next question is how to practise between lessons.

How Do You Practise Korean Tense Consonants?

Practise the contrast with short, repeated sessions that combine listening and speaking. The most effective routine uses three parts:

1. Listen. Play the minimal triplet clips in a lesson and name each consonant.
2. Say. Record the same words and compare your recording with the audio.
3. Test. Use the minimal pairs page and the plain, tense and aspirated listening practice to check your hearing.

Hearing usually improves before speaking, so test your ears first. When the single sounds are steady, add the Korean tongue twisters for speed. The Hangul decks keep the letters and their names fresh.

Study Order at a Glance

The study order below runs from the system to the pairs to the method and then to the effects.

1. Plain Tense Aspirated Consonants: the system.
2. Korean ㄱ ㅋ ㄲ Difference: the first pair.
3. Korean ㄷ ㅌ ㄸ Difference.
4. Korean ㅂ ㅍ ㅃ Difference.
5. Korean ㅈ ㅊ ㅉ Difference.
6. Korean ㅅ ㅆ Difference.
7. How to Pronounce Korean Tense Consonants.
8. Korean Consonant Voicing, then S or Sh and Korean consonants and pitch.

For the letters themselves, see the Hangul consonants section, and for single-letter sounds see Korean Consonant Sounds. The pronunciation glossary defines terms such as the tense consonant.

Audio, Review Status and Scope

The Korean tense consonants lessons cover the sounds of ㄲ, ㄸ, ㅃ, ㅆ and ㅉ and their plain and aspirated partners, at the start, middle and end of a syllable. They do not cover the sound changes that create tense sounds between words, which are taught in Korean tensification, or regional differences.

Every example word has an audio clip. The Korean text, romanization and audio scripts are generated drafts and still await review by a Korean specialist, and no page in this section has been human-reviewed yet. Standards used are the National Institute of Korean Language (국립국어원) Standard Pronunciation Rules (표준 발음법) and the Revised Romanization of Korean.

Frequently Asked Questions

What is the difference between plain, tense and aspirated consonants? Plain consonants are relaxed with a light puff, tense consonants are tight with almost no puff, and aspirated consonants are relaxed with a strong puff. The three share a mouth position but form different words, as in 달 (moon), 딸 (daughter) and 탈 (mask). English has no letters for this three-way split.

Which Korean letters are tense consonants? Five letters are tense: ㄲ, ㄸ, ㅃ, ㅆ and ㅉ. Each one is a plain letter written twice, so ㄱ becomes ㄲ and ㅂ becomes ㅃ. Korean names them 쌍자음 (double consonants) because of the shape, and 경음 (hard sounds) because of the sound. Each pairs with a plain letter.

Which lesson should I start with? Start with the overview, Plain Tense Aspirated Consonants, because it teaches the system and the breath test. Then take the pair lessons in order: ㄱ, ㄷ, ㅂ, ㅈ, ㅅ. If tense sounds are your only problem, go straight to the how-to lesson, which gives a four-step method and a paper test.

Why does ㅅ have no aspirated partner? Korean has ㅅ and ㅆ but no third ㅅ-type letter. Phoneticians often note that plain ㅅ already carries a little breath after the hiss, so an aspirated version has no room to differ. The other four sets have three members. This is why the ㅅ ㅆ lesson is shorter on breath and longer on tension.

Do these contrasts matter at the end of a syllable? No. At the end of a syllable, the contrast disappears and all the stops become unreleased sounds, so 박 and 밖 both sound [박]. The contrast matters at the start of a syllable and between vowels. This is why the lessons here focus on the start of words and syllables.