003 · Meet the Korean Consonants — 한글 자음의 세계
19 Letters, One Remarkable System — Discover the Sounds and Shapes of Korean Consonants
OPENING · Every Korean Word Begins with a System
Imagine learning an alphabet in which the shapes of letters are not entirely arbitrary.
Some letters reflect how the mouth, tongue, or throat produces a sound. Others are formed by adding strokes to simpler shapes. And some are doubled to represent a different kind of consonant.
Welcome to the world of Korean consonants.
In our previous lessons, we explored the birth of Hangul under King Sejong and the remarkable principles behind its design.
Now it is time to meet the letters themselves.
Modern Korean uses 19 consonant letters: 14 basic consonants and five double consonants.
At first, these unfamiliar symbols may look difficult.
But as you begin to recognize their shapes, patterns, and relationships, you will discover that Hangul is not a random collection of letters.
It is a carefully organized writing system.
01 · What Is a Korean Consonant?
In Korean, a consonant is called 자음 (ja-eum).
A consonant is a speech sound made by restricting or shaping the flow of air through the mouth or throat.
In English, letters such as B, D, M, and S represent consonants.
Korean also uses consonant letters, but Hangul has a distinctive feature.
Instead of writing letters in a continuous horizontal sequence, Korean combines consonants and vowels into square-shaped syllable blocks.
For example:
- ㄴ + ㅏ = 나 (na)
- ㅁ + ㅜ = 무 (mu)
- ㅎ + ㅏ + ㄴ = 한 (han)
Each completed block represents one written syllable.
This means that learning Korean consonants is not simply about memorizing individual letters.
It is the first step toward reading complete Korean words.
02 · Meet the 14 Basic Consonants
Let’s begin with the foundation of the modern Korean consonant system.
These are the 14 basic consonant letters:
ㄱ ㄴ ㄷ ㄹ ㅁ ㅂ ㅅ ㅇ ㅈ ㅊ ㅋ ㅌ ㅍ ㅎ
Each consonant has its own Korean letter name and characteristic pronunciation.
| Letter | Korean Name | Approximate Sound |
|---|---|---|
| ㄱ | 기역 (giyeok) | g / k |
| ㄴ | 니은 (nieun) | n |
| ㄷ | 디귿 (digeut) | d / t |
| ㄹ | 리을 (rieul) | r / l |
| ㅁ | 미음 (mieum) | m |
| ㅂ | 비읍 (bieup) | b / p |
| ㅅ | 시옷 (siot) | s |
| ㅇ | 이응 (ieung) | Silent initially / ng finally |
| ㅈ | 지읒 (jieut) | j |
| ㅊ | 치읓 (chieut) | ch |
| ㅋ | 키읔 (kieuk) | Aspirated k |
| ㅌ | 티읕 (tieut) | Aspirated t |
| ㅍ | 피읖 (pieup) | Aspirated p |
| ㅎ | 히읗 (hieut) | h |
These English sound descriptions are only approximations.
Korean pronunciation does not always correspond exactly to English pronunciation, and some consonants sound different depending on their position within a word.
For now, focus on recognizing the letters and becoming familiar with their shapes.
We will study their pronunciation in greater detail in the following lessons.
03 · The Secret Behind the Shapes
One of Hangul’s most fascinating features is the relationship between certain letter shapes and the human speech organs.
The original design of the consonants was based on five fundamental shapes.
These shapes were associated with the positions or actions of the tongue, lips, teeth, and throat when producing sounds.
Let’s look at them.
| Original Basic Shape | Sound Group | Traditional Design Principle |
|---|---|---|
| ㄱ | Velar sounds | The tongue’s rear position |
| ㄴ | Coronal sounds | The tongue touching the upper gum area |
| ㅁ | Bilabial sounds | The shape of the lips or mouth |
| ㅅ | Dental sounds | The shape of the teeth |
| ㅇ | Throat sounds | The shape of the throat |
The original Hangul system used these basic forms to organize related consonant sounds.
Additional strokes were then used to create certain related letters.
For example:
ㄱ → ㅋ
ㄴ → ㄷ → ㅌ
ㅁ → ㅂ → ㅍ
ㅅ → ㅈ → ㅊ
These relationships reveal a central idea behind Hangul’s creation.
Letters could represent not only sounds, but also systematic relationships among those sounds.
The system we use today has evolved from the original fifteenth-century script, but its underlying design remains remarkable.
04 · Five More Letters: The Double Consonants
In addition to the 14 basic consonants, modern Korean has five double consonant letters.
They are:
ㄲ ㄸ ㅃ ㅆ ㅉ
These are commonly called 쌍자음 (ssangja-eum), meaning double consonants.
They are formed by writing two identical consonant shapes together.
| Basic Consonant | Double Consonant | Korean Name |
|---|---|---|
| ㄱ | ㄲ | 쌍기역 |
| ㄷ | ㄸ | 쌍디귿 |
| ㅂ | ㅃ | 쌍비읍 |
| ㅅ | ㅆ | 쌍시옷 |
| ㅈ | ㅉ | 쌍지읒 |
But here is something important.
A double consonant is not simply a basic consonant pronounced twice.
In modern Korean, these letters represent a distinct group of sounds known as tense consonants.
For example:
- 가 (ga) — go
- 까 (kka) — peel, as in 까다
The difference is not just the appearance of the letter.
It is also the way the sound is produced.
Do not worry about mastering these differences today.
For now, remember that five double consonants complete the modern Korean consonant inventory of 19 letters.
05 · Consonants and Vowels Work Together
There is one essential principle every beginner should understand.
Korean consonants and vowels work together to create syllables.
A consonant letter such as ㄱ is not normally written alone as a complete Korean syllable.
It combines with a vowel.
Look at these examples:
| Consonant | Vowel | Syllable | Pronunciation |
|---|---|---|---|
| ㄱ | ㅏ | 가 | ga |
| ㄴ | ㅏ | 나 | na |
| ㄷ | ㅏ | 다 | da |
| ㅁ | ㅏ | 마 | ma |
| ㅂ | ㅏ | 바 | ba |
| ㅅ | ㅏ | 사 | sa |
Now look at a familiar Korean word:
한국 (Hanguk) — Korea
It consists of two syllable blocks:
한 + 국
Each block is built from consonants and vowels.
This is one of the great advantages of understanding Hangul’s structure.
Once you recognize the individual letters and learn how they combine, you can begin decoding Korean words you have never seen before.
06 · A Special Letter: ㅇ
Before we move on, let’s meet one particularly interesting consonant.
ㅇ — 이응 (ieung)
This letter has two different roles depending on its position.
At the beginning of a syllable, ㅇ has no consonant sound.
For example:
- 아 (a)
- 오 (o)
- 우 (u)
The vowel is pronounced, while the initial ㅇ is silent.
At the end of a syllable, however, ㅇ represents the ng sound.
For example:
- 강 (gang) — river
- 공 (gong) — ball
- 방 (bang) — room
The same written letter can therefore function differently according to its position.
This may seem unusual at first.
But once you become familiar with Korean syllable blocks, it will make perfect sense.
07 · Your First Consonant Practice
Let’s see how many letters you can already recognize.
Practice A — Find the Consonants
Look at the following Korean word:
바다 — Sea
Can you identify its consonants?
Answer: ㅂ and ㄷ
Now look at:
나무 — Tree
Answer: ㄴ and ㅁ
And finally:
하늘 — Sky
Answer: ㅎ, ㄴ, and ㄹ
Practice B — Recognize the Double Consonants
Which of the following are double consonants?
ㄱ · ㄲ · ㄴ · ㄸ · ㅁ · ㅆ · ㅎ
Answer: ㄲ, ㄸ, and ㅆ
Practice C — Count the Consonants
How many basic consonants are there in modern Korean?
14
How many double consonants?
5
How many consonant letters in total?
19
Excellent!
You have now taken your first step into the world of Korean consonants.
08 · What Comes Next?
Learning Hangul is a journey.
Today, you discovered the complete system of 19 Korean consonants.
But recognizing the letters is only the beginning.
In our next lessons, we will study their shapes, sounds, and pronunciation step by step.
Your Consonant Learning Journey
Lesson 003-1 — Meet ㄱ ㄴ ㄷ
Our first three consonants: their shapes, sounds, and pronunciation.
Lesson 003-2 — Meet ㄹ ㅁ ㅂ ㅅ
Four more consonants and their unique sound patterns.
Lesson 003-3 — Meet ㅇ ㅈ ㅊ ㅋ ㅌ ㅍ ㅎ
The remaining seven basic consonants.
Lesson 003-4 — Meet ㄲ ㄸ ㅃ ㅆ ㅉ
The five double consonants and the sounds they represent.
Once you have mastered the consonants, we will begin exploring Korean vowels and discover how the two systems work together.
CLOSING · Nineteen Letters, Countless Possibilities
Nineteen consonant letters.
At first glance, they may seem like a small collection of unfamiliar shapes.
But together with Korean vowels, they form the foundation of a writing system capable of expressing an extraordinary range of human thoughts, emotions, and experiences.
From a child’s first word to a poet’s most delicate expression, Hangul opens the door to the Korean language.
And every journey into a new language begins with a single letter.
Today, you met nineteen.
Next time, we will begin with three.
ㄱ · ㄴ · ㄷ
Your Korean journey has only just begun.
Continue Learning
Next Lesson: 003-1 · Meet the Consonants — ㄱ ㄴ ㄷ
Discover the shapes, sounds, and first pronunciation patterns of Korean consonants.
Gupiter’s World — Meet Korea in Many Ways.
A Proud Storyteller of Seoul Korea ᴳ.
