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Repeated Words / Echo Finder

近接反復を検出 — N語の設定可能なウィンドウ内で同じ単語が再使用される箇所を見つけます。意図しないエコーを捉える編集者向けツール。

使うべき場面

Use the repeated-words finder when editing fiction, essays, or any prose where close repetition reads as a stylistic mistake. Particularly powerful for technical writers who unconsciously reuse jargon.

他の指標との比較

Word Frequency surfaces *what* is overused; Repeated Words surfaces *where* the repetition is too close. Use both when editing.

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仕組み

The finder records every position of every content word in the text, then surfaces pairs of occurrences that fall within a configurable window (default 50 words).

It excludes function words (the, of, and) by default since they're expected to repeat constantly.

Results are sorted by closest distance — the word with the tightest repetition is on top.

よくある質問

What's a good window size?

Default 50 words catches paragraph-level repeats. Use 20 for sentence-level only; 100 for page-level.

Why are short words excluded?

Short words are usually function words (the, of, and) that repeat constantly. Min length 4 filters them out by default.

Is some repetition okay?

Yes — for emphasis, parallelism, or anaphora. The tool flags candidates; you decide.

実例

入力

"The garden was beautiful. The garden bloomed early. The garden smelled sweet."

出力

"garden" used 3 times — closest pair just 4 words apart.

"Garden" is repeated within a tight window. A copy editor would diversify: "the plot", "the beds", "the borders".

よくある落とし穴

  • Some repetition is deliberate — for emphasis, parallelism, or anaphora.
  • Window size is a heuristic — 50 words catches paragraph-level repeats; 20 catches sentence-level only.
  • Function words ("the", "and") repeat constantly; keep the stopword filter on.
  • Domain terms ("API", "database") often must repeat in technical docs — adjust expectations.

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