B1 Kanji Expansion 5 min de lectura

Kanji: 100-300 Common Characters

Mastering Kanji compounds allows you to express complex ideas with precision and professional flair.

The Rule in 30 Seconds

  • Kanji compounds (Jukugo) combine two or more characters to create complex nouns.
  • Most compounds use the Onyomi (Chinese-derived) reading for both characters.
  • Add 'suru' to many Jukugo nouns to transform them into formal verbs.
  • Use Jukugo in professional, academic, or precise contexts to sound advanced.

Quick Reference

Compound Reading Meaning Usage Type
意見 いけん Opinion Noun
計画 けいかく Plan Noun / Suru-Verb
決定 けってい Decision Noun / Suru-Verb
意味 いみ Meaning Noun
注意 ちゅうい Caution / Warning Noun / Suru-Verb
準備 じゅんび Preparation Noun / Suru-Verb
安心 あんしん Peace of mind Noun / Suru-Verb

Ejemplos clave

3 de 8
1

私の意見は少し違います。

My opinion is a little different.

2

明日、旅行の準備をします。

I will prepare for the trip tomorrow.

3

場所を確認してください。

Please confirm the location.

💡

The 'Onyomi' Default

When in doubt with two Kanji, try the Onyomi. It is correct about 90% of the time for compounds!

⚠️

Similar Kanji Trap

Watch out for `意` and `億`. One is 'idea', the other is 'one hundred million'. Don't tell someone your opinion is 100 million!

The Rule in 30 Seconds

  • Kanji compounds (Jukugo) combine two or more characters to create complex nouns.
  • Most compounds use the Onyomi (Chinese-derived) reading for both characters.
  • Add 'suru' to many Jukugo nouns to transform them into formal verbs.
  • Use Jukugo in professional, academic, or precise contexts to sound advanced.

Overview

Welcome to the intermediate level! You have already mastered the basic Kanji. Now it is time to combine them. We call these multi-kanji words Jukugo. They are the backbone of B1 Japanese. You will use them to express deep thoughts. They help you sound more professional. Think of them as power-ups for your vocabulary. You are moving from simple labels to complex ideas. This is where the real fun begins! You can now talk about your Iken (opinion) or Keikaku (plans). It is like unlocking a new level in a game. You have the tools. Now let us learn how to use them. This section focuses on characters 100 to 300. These are the most common characters in daily life. You see them on signs and in emails. Learning them in pairs is much faster than one by one. It builds a network in your brain. You will start seeing patterns everywhere. This is a huge milestone for any learner. Be proud of how far you have come!

How This Grammar Works

Most Jukugo use the Onyomi reading. This is the Chinese-derived reading of the Kanji. Usually, two Kanji sit side-by-side. They create a brand new meaning together. For example, I (idea) plus Ken (view) becomes Iken (opinion). It is like a math equation for language. You add the meanings together. The result is a more specific concept. Sometimes the reading changes slightly. This happens to make the word easier to say. Think of it like a grammar traffic light. It tells you when to stop and when to go. Most of these words function as nouns. However, you can turn many into verbs. You just add suru at the end. This is a very powerful tool. It doubles your vocabulary instantly. You learn one noun and get a verb for free. It is the best deal in Japanese grammar!

Formation Pattern

  1. 1Identify two Kanji that relate to your topic.
  2. 2Use their Onyomi readings for the pronunciation.
  3. 3Combine them to form a single noun.
  4. 4If you want a verb, add suru after the noun.
  5. 5Check if the word needs a specific particle like ni or wo.
  6. 6Practice the pitch accent for the whole compound.
  7. 7Look for common prefixes like Go or O for politeness.
  8. 8Remember that some compounds use Kunyomi, but these are rarer.

When To Use It

Use these compounds in business meetings. Use them when writing essays or formal emails. They are perfect for explaining your Ketsui (determination). Use them when you need to be very precise. If you are at a job interview, use Jukugo. It shows you are an educated speaker. Even in daily news, these words are everywhere. They help you summarize long sentences into short words. Imagine you are at a train station. You see the word Chuushi (cancellation). It is faster than reading a long sentence about the train stopping. In professional settings, using these words is expected. It makes you sound reliable and smart. You can use them to discuss your Shumi (hobbies) in detail too. They are not just for work! Use them whenever you want to be clear.

When Not To Use It

Do not use them for very simple actions. If you are eating an apple, use taberu. Do not use a complex compound for 'eating'. It sounds like a robot is talking. Avoid them in very emotional, raw conversations with family. It might feel too cold or distant. Keep it natural with your close friends. Using too many compounds can make you sound stiff. It is like wearing a tuxedo to a beach party. Yes, you look great, but it is the wrong vibe. Also, avoid them if you are not sure of the reading. Mispronouncing a formal word is a bit embarrassing. It is better to use a simple word you know well. Balance is the key to sounding like a native.

Common Mistakes

Many people mix up similar-looking Kanji. Look closely at I (意) and Omo (思). They both relate to thinking. But they are used in different words. Another mistake is using Kunyomi in a compound. This sounds very strange to native ears. Yes, even native speakers mess this up sometimes! Just keep practicing your readings. Do not forget the suru when using them as verbs. Saying just Keikaku when you mean 'to plan' is confusing. It sounds like you are just shouting the word 'PLAN!'. Also, watch out for the particles. Some compounds take ni, others take wo. It is a common trap for B1 students. Don't worry, you will get the hang of it soon.

Contrast With Similar Patterns

Compare Omou with Kansou. Omou is a simple verb for 'to think'. Kansou means 'impressions' or 'thoughts' on a specific topic. Use Omou for quick, personal feelings. Use Kansou after watching a movie or reading a book. One is a light breeze. The other is a deep ocean. Another example is Miru versus Kengaku. Miru is just 'to see'. Kengaku is a 'study visit' or 'inspection'. If you are just looking at a building, use miru. If you are there to learn, use kengaku. The compound word adds a layer of purpose. It tells the listener why you are doing the action. This nuance is what makes your Japanese sound advanced.

Quick FAQ

Q. Do I always use Onyomi in compounds?

A. Usually yes, but there are exceptions called Kun-yomi compounds.

Q. How do I remember so many readings?

A. Group them by their shared Kanji. It makes a map in your brain.

Q. Is stroke order really that important?

A. Yes, it helps your brain recognize the shape of the Kanji.

Q. Can I use these in text messages?

A. Absolutely! It saves space and looks very natural.

Q. What if I forget a Kanji in a compound?

A. You can write it in Hiragana, but try to learn the Kanji soon.

Reference Table

Compound Reading Meaning Usage Type
意見 いけん Opinion Noun
計画 けいかく Plan Noun / Suru-Verb
決定 けってい Decision Noun / Suru-Verb
意味 いみ Meaning Noun
注意 ちゅうい Caution / Warning Noun / Suru-Verb
準備 じゅんび Preparation Noun / Suru-Verb
安心 あんしん Peace of mind Noun / Suru-Verb
💡

The 'Onyomi' Default

When in doubt with two Kanji, try the Onyomi. It is correct about 90% of the time for compounds!

⚠️

Similar Kanji Trap

Watch out for `意` and `億`. One is 'idea', the other is 'one hundred million'. Don't tell someone your opinion is 100 million!

🎯

Suru-Verb Shortcut

If you forget the specific verb, use the [Compound] + `suru`. It makes you sound professional even if you're struggling.

💬

Politeness Levels

Using Jukugo like `Gokakunin` (confirmation) in emails shows great respect to your Japanese colleagues.

Ejemplos

8
#1 Basic Usage

私の意見は少し違います。

Focus: 意見

My opinion is a little different.

Uses 'Iken' as a standard noun.

#2 Suru-Verb Usage

明日、旅行の準備をします。

Focus: 準備

I will prepare for the trip tomorrow.

Adding 'suru' makes it an action.

#3 Edge Case (Mixed Reading)

場所を確認してください。

Focus: 場所

Please confirm the location.

'Basho' is a rare Kun-Kun compound.

#4 Formal Context

新しい計画を決定しました。

Focus: 決定

We have decided on a new plan.

Very common in business settings.

#5 Mistake Correction

意見を思う → ✓ 意見を言う

Focus: 意見

✗ To think an opinion → ✓ To say an opinion

You 'state' an opinion, not 'think' it in this context.

#6 Mistake Correction

✗ 勉強を準備する → ✓ 勉強の準備をする

Focus: 準備

✗ To prepare study → ✓ To do preparations for study

Use 'no' to connect the topic to the preparation.

#7 Advanced Usage

意味を正しく理解することが大切です。

Focus: 理解

It is important to understand the meaning correctly.

Combines two compounds for a complex thought.

#8 Real-world Scenario

足元にご注意ください。

Focus: 注意

Please watch your step.

Commonly heard in train stations.

Ponte a prueba

Choose the correct compound to complete the sentence about a meeting.

会議で自分の___を言いました。

✓ ¡Correcto! ✗ No del todo. Respuesta correcta: 意見

'Iken' means opinion, which is what you state in a meeting.

Turn the noun into a verb to say 'to plan'.

来月のスケジュールを___しています。

✓ ¡Correcto! ✗ No del todo. Respuesta correcta: 計画

Adding 'wo shiteimasu' or just 'shiteimasu' after 'Keikaku' makes it 'planning'.

Which word fits best for a warning sign?

___!ここは立ち入り禁止です。

✓ ¡Correcto! ✗ No del todo. Respuesta correcta: 注意

'Chuui' means caution or attention, used for warnings.

🎉 Puntuación: /3

Ayudas visuales

Casual Verbs vs. Formal Compounds

Casual (Kunyomi)
考える To think
決める To decide
Formal (Onyomi Compound)
思考する To cogitate/think
決定する To determine/decide

How to Read a New Compound

1

Are there two or more Kanji together?

YES ↓
NO
Use Kunyomi (usually).
2

Is it a common daily word like 'Basho'?

YES ↓
NO
Try Onyomi + Onyomi.
3

Does it sound like a natural word you've heard?

YES ↓
NO
Check a dictionary for special readings.

Common B1 Compounds by Context

💼

Work/Study

  • 計画 (Plan)
  • 準備 (Prep)
❤️

Feelings

  • 安心 (Relief)
  • 心配 (Worry)

Preguntas frecuentes

22 preguntas

Onyomi is the reading derived from Chinese. It is used mostly in multi-kanji words like Gakusei.

Kunyomi is the native Japanese reading. It is usually used for single Kanji verbs like Taberu.

They allow for more precise meanings. Miru is just 'to see', but Kengaku is 'to see for study'.

Yes, like Shinkansen. They follow the same Onyomi rules but are just longer.

If you see two Kanji side-by-side without Hiragana in between, it is likely a compound.

It is better not to. Most compounds are fixed vocabulary that everyone agrees on.

Yes, it helps you write them faster and makes the characters look balanced.

It turns the noun into an active verb. For example, Benkyou (study) becomes Benkyou suru (to study).

Iken is a formal opinion. Kangae is a more general thought or idea.

Actually, names often use special Kunyomi or unique readings. They are an exception!

No, every Kanji in a compound usually contributes a sound to the reading.

This is called Sokuon. It happens when certain sounds meet, like in Gakkou (School).

Most Kanji have one main Onyomi, but some have two. Practice helps you learn which one to use.

Learn them in context. Don't just memorize lists; read sentences using Iken or Keikaku.

You can describe the concept using simpler words. For Iken, you could say Watashi ga omou koto.

The word stays the same, but you add desu or change suru to shimasu.

Yes, young people sometimes create them, but they are rare in formal B1 Japanese.

Search by the first Kanji. Most dictionaries will list common compounds right under it.

Some characters have very broad meanings, like Dai (big) or Gaku (study), so they fit everywhere.

You can, but it is harder to read. Kanji compounds are designed to be recognized by their shape.

They were imported from China centuries ago. They added a huge amount of technical and abstract words to Japanese.

You should aim for about 600 Kanji and their most common compounds.

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