Kotoby Bokura AI
N5
多いおおい
many; a lot

There are many people.

Recent words.

A few gentle echoes from the days before today.

daily Japanese · word of the day

Learn Japanese one word at a time.

Koto delivers a carefully chosen Japanese word every day, with pronunciation, meaning, usage, and context. Small enough to read in a minute, rich enough to remember.

available as a TRMNL plugin

Daily Japanese on your TRMNL devices.

Let Koto quietly refresh your display with one Japanese word, reading, meaning, and example each day.

Preview of the Koto Daily Japanese TRMNL plugin showing the word 友達 with reading, meaning, and example sentence.
agent-readable artifact

The same word, available as JSON.

GET/api/v0/daily-word
GET/api/v0/daily-words/archive?limit=7
{
  "card_id": "daily_2026_07_27",
  "date": "2026-07-27",
  "status": "published",
  "language": "ja",
  "level_label": "N5",
  "theme": "quantity",
  "tags": [
    "adjectives",
    "people"
  ],
  "word": {
    "surface": "多い",
    "reading": "おおい",
    "meaning": "many; a lot"
  },
  "example": {
    "japanese": "人が多いです。",
    "reading": "ひとがおおいです。",
    "english": "There are many people.",
    "ruby": [
      {
        "text": "人",
        "reading": "ひと"
      },
      {
        "text": "が"
      },
      {
        "text": "多",
        "reading": "おお"
      },
      {
        "text": "いです。"
      }
    ],
    "html": "<ruby>人<rt>ひと</rt></ruby>が<ruby>多<rt>おお</rt></ruby>いです。"
  },
  "teaching_note": "多い means “many” or “a lot.” It describes quantity.",
  "review_prompt": {
    "prompt": "What does 多い mean?",
    "answer": "many; a lot"
  },
  "urls": {
    "self": "https://koto.bokura.ai/api/v0/daily-word?date=2026-07-27",
    "api": "https://koto.bokura.ai/api/v0/daily-word",
    "site": "https://koto.bokura.ai/"
  }
}

Daily Japanese word API for learners, widgets, and agents.

Koto is a free Japanese word-of-the-day API with readings, meanings, example sentences, furigana, ruby HTML, and review prompts for displays, bots, language-learning tools, TRMNL screens, and quiet daily study rituals.