Add five consonants to the letters you already know

You recognise ㄱ and ㄷ, then meet a word with ㄲ or ㄸ. Do you pronounce the consonant twice? Does the extra shape make another syllable? This part of our Korean alphabet guide for beginners answers those questions with a small set of real words and listening comparisons.

The five double consonants are ㄲ, ㄸ, ㅃ, ㅆ and ㅉ. At the beginning of a syllable, they represent the sounds often called tense consonants. Your goal is to recognise all five, keep each one inside a single syllable block, and begin hearing the difference between a plain and a tense beginning.

Start with the 14 basic consonants and syllable blocks if those are still unfamiliar. This guide concentrates on double consonants in the initial position. Final consonants have their own sound rules; they are not simply pronounced by copying the beginning of a word.

Separate the letter name from its sound in a word

쌍 means a pair in these names. The names help you discuss spelling: you can say that a word starts with 쌍기역. When reading 꼬리, however, you say the word, not the letter name followed by the vowel name.

Each double consonant uses two matching shapes. ㄲ is built from ㄱ shapes, ㄸ from ㄷ, ㅃ from ㅂ, ㅆ from ㅅ, and ㅉ from ㅈ. This naming and writing pattern does not mean you may double any consonant to create another standard initial letter. Learn these five as the set used here.

The English meanings in the last column identify the examples, rather than listing every possible meaning. In particular, 쌀 refers to the rice grain; 밥 is the word you will often use for cooked rice or a meal. 짜요 can have other meanings in other contexts, but we use its food-description meaning in this lesson.

Keep the double consonant inside one syllable

Compare 꼬 with 고. Each is one written syllable, although the initial consonant has a different shape and sound. Now compare 꼬리 with 꼬: 꼬리 has two blocks, 꼬 and 리. The extra block comes from 리, not from the doubled ㄱ shape.

On paper, give the two parts of ㄲ enough space to remain recognisable while keeping the whole initial compact. In 꼬, the vowel sits below it. In 까, the vowel sits to its right. The syllable-building principle has not changed just because the initial consonant looks wider.

Do not write ㄱ and ㄱ as two separate syllables when you intend ㄲ. Also avoid adding a tiny extra vowel between them while speaking. The beginning of 꼬 is one tense consonant sound leading into the vowel.

Tense does not mean twice as loud

The terms plain, aspirated and tense describe useful sound categories. For example, ㄷ, ㅌ and ㄸ are three different beginnings. Aspirated consonants such as ㅌ have a noticeable release of breath. Tense consonants such as ㄸ have a tight articulation with much less breath at the release.

Listen at a comfortable volume. Making 딸 louder is not the same as making its first consonant correct. Nor does “double” tell you to double the duration of the whole word. Try to hear the beginning together with the vowel instead of attaching a rule about loudness to the printed shape.

English spellings such as tt or kk are labels, not exact pronunciation instructions. English letter combinations do not automatically reproduce Korean sound contrasts. Start with the prepared clips, then compare the reference recordings in a learner’s dictionary or a pronunciation course.

Use a brief listen-and-repeat round: play one word, pause, repeat once, and play it again. The slow controls give you more time to follow the sequence. Return to normal playback for another comparison when you are ready; the goal is to recognise the word in connected speech as well as in a slow example.

Change one beginning while keeping the rest similar

Start with just 달 and 딸. Look at the two spellings and play each clip. In the next round, cover the text after choosing which clip to play, listen, and write the word you think you heard. Uncover the spelling to check. This is a small practice routine, not an automatic pronunciation score.

Then add 탈, meaning “mask” in this exercise. You now have 달, 딸 and 탈: plain, tense and aspirated beginnings. If the three-way comparison is confusing, return to two words for a few attempts rather than trying to manage the entire alphabet at once.

The ㅅ/ㅆ pair has no separate aspirated partner written as another matching letter in this set. Do not invent a third “s” consonant to make every row look identical. Also expect the surrounding vowel to affect how a consonant sounds; a contrast practised with one vowel still needs practice in other words.

Read the words inside short messages

These are original practice sentences. You do not need to learn every grammatical detail before using them for reading. First find the double consonant, then listen to its whole word, and finally listen to the complete sentence.

In the soup sentence, do not replace 짜요 with 자요. The first has ㅉ and means “is salty” here; the second comes from 자다, “sleep.” A small spelling change can produce a different word. Context can help you notice an unlikely reading, but the letters still matter.

Try writing one sentence from the table after looking away. Check the initial consonant separately from the rest of the sentence. If you wrote 살 when you meant 쌀, your next task is that specific contrast, not copying all four sentences repeatedly.

Do not carry an initial-sound rule into every position

You may later see ㄲ or ㅆ at the bottom of a block. This lesson’s initial-consonant practice does not explain every final-consonant pronunciation. For example, the fact that ㅆ is a tense beginning in 쌀 does not tell you how to pronounce every syllable ending in ㅆ.

Keep two questions separate: What is written? and How is it pronounced in this position? For endings and sound changes, return to the batchim guide. You also do not change a word’s correct spelling merely because a consonant sounds tense in a particular spoken combination.

For today’s practice, success means recognising the five shapes, fitting them into blocks, and identifying at least one contrast more reliably. Perfect pronunciation of every word is not a prerequisite for continuing to read.

Check the shape, block and sound

A small listening check

References and your next reading step

• National Institute of Korean Language: Hangul letter order and names — The answer reproduces Orthography Article 4, including the five double-consonant names.
• University of British Columbia: Korean consonants — A fuller explanation of plain, aspirated and tense consonant contrasts.

Reviewed September 3, 2026. Found a mistake? Send a correction.

Choose one word with each of the five consonants and read it again tomorrow. Add a short sentence when the word is familiar. For letter combinations beyond this lesson, continue with the combined-vowel guide.