3.1 Core Thematic Vocabulary & Contextual Collocations

Core Thematic Vocabulary & Contextual Collocations

Quick Summary: JLPT N4 vocabulary testing shifts away from isolated memorization toward contextual resolution (文脈規定) and natural collocations (連語). Standard N4 preparation targets approximately 1,500 total words (~800 carried over from N5 plus ~700 new N4 additions) — a widely used unofficial reconstruction, not a published list (see Section 2.1 for why no official list exists). Success on Section 1 (Language Knowledge: Vocabulary) requires recognizing thematic lexical networks and instant identification of bound particle-verb formulas.

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1. The N4 Lexical Scope & The Five Thematic Clusters

At the N4 level, vocabulary is organized around daily survival situations, practical office and social interactions, municipal procedures, and physical well-being. The exam tests whether you understand not just what a word means in English, but the exact situational environment in which native speakers deploy it.

   ┌─────────────────────────────────────────────────────────┐
   │             JLPT N4 Lexical Inventory (~1,500 Words)     │
   └────────────────────────────┬────────────────────────────┘
                                │
    ┌──────────────┬────────────┼────────────┬──────────────┐
    │              │            │            │              │
┌───▼────┐   ┌─────▼────┐  ┌────▼────┐  ┌────▼─────┐  ┌─────▼────┐
│ Daily  │   │ Transit  │  │ Health  │  │ Office / │  │ Housing  │
│ Life & │   │ & Public │  │ & Body  │  │ Academic │  │ & City   │
│ Social │   │ Travel   │  │ Medical │  │ Work     │  │ Living   │
└────────┘   └──────────┘  └─────────┘  └──────────┘  └──────────┘

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Cluster 1: Daily Life, Social Interactions & Etiquette

Social interactions at the N4 level require managing interpersonal boundaries, hospitality, and scheduling commitments.

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Cluster 2: Transportation, Commuting & Public Facilities

Public transportation questions assess your ability to navigate transfers, tickets, schedule delays, and municipal landmarks.

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Cluster 3: Health, Medical Treatment & Bodily Sensations

Medical and physiological vocabulary focuses on reporting symptoms to doctors, following clinical instructions, and expressing physical discomfort.

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Cluster 4: Office, Workplace & Academic Activities

Workplace vocabulary tests formal protocols, administrative materials, deadlines, and coordination between team members.

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Cluster 5: Housing, Neighborhood & Municipal Living

Questions in this cluster revolve around apartment living, waste disposal rules, neighborly relations, and home appliances.

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2. High-Yield Contextual Collocations (連語 - Rengo)

In Japanese, words do not combine arbitrarily. JLPT N4 exam questions specifically construct distractors that mean similar things in isolation but cannot grammatically or idiomatically pair with the surrounding particles or nouns.

Essential Bound Particle Formulas

┌───────────────────────────────────────────────────────────────┐
│                     N4 High-Yield Formulas                    │
├───────────────────────────────────────────────────────────────┤
│  1. Involuntary Sensation: [Noun] + がする                    │
│     • においがする (smell)      • 味がする (taste)             │
│     • 音がする (noise)          • 声がする (voice)             │
│     • 吐き気がする (nausea)     • 寒気がする (chill)           │
├───────────────────────────────────────────────────────────────┤
│  2. Psychological / Mental:                                   │
│     • [X] に気がつく   → To notice / realize [X]              │
│     • [X] が気に入る   → To take a liking to [X]              │
│     • [X] に気をつける → To pay attention / take care with [X]│
│     • [X] を気にする   → To worry / fret over [X]             │
├───────────────────────────────────────────────────────────────┤
│  3. Purpose & Function:                                       │
│     • [X] に役に立つ   → To be useful / beneficial for [X]    │
│     • [X] に間に合う   → To be on time for [X]                │
│     • [X] に遭う       → To encounter / suffer [X] (accident) │
└───────────────────────────────────────────────────────────────┘

Master Collocations Reference Table

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3. Mondai 3 (Context-Based Completion / 文脈規定) Tactics

In Vocabulary Mondai 3 (文脈規定), you face a complete sentence containing a single blank （　）. You are given 4 lexical choices that belong to the exact same grammatical part of speech.

The 3-Step Context Resolution Framework

To solve these questions in under 30 seconds per item, follow this systematic decision tree:

High-Frequency Distractor Triads on Mondai 3

Triad A: Hospitality & Interpersonal Actions (招待 vs. 案内 vs. 紹介)

• 招待する (しょうたいする): Inviting a person as a guest to an event, party, or one's home.
  • Example: 結婚式に親戚を招待します。 (I invite relatives to my wedding.)
• 案内する (あんないする): Guiding or showing someone around a physical place or spatial path.
  • Example: 初めて東京に来た友達を浅草へ案内しました。 (I guided my friend around Asakusa.)
• 紹介する (しょうかいする): Introducing person A to person B, or introducing an unknown product/concept to an audience.
  • Example: 新しく入った留学生をクラスメートに紹介しました。 (I introduced the new international student to classmates.)

Triad B: Restoration & Fixing (直す vs. 治す vs. 修理する)

• 直す (なおす): Correcting mistakes, editing text, altering habits, or repairing simple everyday objects.
  • Example: 作文の間違いを赤ペンで直しました。 (I corrected the essay mistakes with a red pen.)
• 治す (なおす): Curing a bodily illness, wound, or physiological condition.
  • Example: 病院で風邪を治しました。 (I cured my cold at the hospital.)
• 修理する (しゅうりする): Technical/mechanical repairing of machinery, electronic devices, vehicles, or buildings.
  • Example: 壊れたパソコンを専門の店で修理しました。 (I had my broken PC repaired at a specialized shop.)

Triad C: Transmission of Information (伝える vs. 教える vs. 連絡する)

• 伝える (つたえる): Conveying a specific message, greeting, or verbal message from a third party.
  • Example: 山田さんに「明日は9時集合だ」と伝えてください。 (Please convey to Yamada that we gather at 9.)
• 教える (おしえる): Teaching knowledge/skills or providing contact info/directions that the listener does not know.
  • Example: 駅までの道を教えてもらいました。 (I was taught/told the way to the station.)
• 連絡する (れんらくする): Establishing formal or informal contact regarding updates, cancellations, or logistics.
  • Example: 電車が遅れる場合は、必ず学校に連絡してください。 (If the train is delayed, always contact the school.)