Related words ひそひそ 話ばなし ひそひそ話 also means a whispered conversation, but ひそひそ emphasizes a softer, more secretive hush, while こそこそ can imply sneaky or furtive behavior.
Written forms こそこそ 話ばなし
Common mixed kanji-kana spelling.
コソコソ 話ばなし
Katakana variant of the mimetic part; sometimes used for emphasis or in casual writing.
こしょこしょ 話ばなし
Rare variant with palatalized mimetic; may be encountered in older or dialectal usage.
コショコショ 話ばなし
Search-only katakana form for the rare palatalized variant.
こしょこしょばなし
Etymology Compound of the mimetic adverb こそこそ (furtively, secretly) and 話 (talk, story). The mimetic root is sound-symbolic, imitating hushed, rustling sounds.
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