Compare conjugations

See how the same form changes across Japanese verbs and adjectives. Compare up to three dictionary words.

Word 1

Word 2

Word 3

Enter a Japanese dictionary spelling or kana reading, such as 書く or 静か. Add a reading to distinguish words: 開く（ひらく）.

Form

Construction ending

Negative Polite

Highlighted text shows the ending that differs from the dictionary spelling. It is a spelling comparison, not a stem analysis.

役立つ

やくだつ

有用; 有帮助

godan verb (-tsu)

役立って

やくだって

yakudatte