etymo: English Vocabulary

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About this app

etymo helps you truly remember vocabulary by learning the etymology behind each word.

■ Learn by roots
Break every word into its roots, prefixes and suffixes to see where it comes from — so words stick, instead of being crammed.

■ Quiz & spaced review
Lock words in with quizzes and smart spaced repetition (SRS) that brings each word back right before you forget it.

■ Pronunciation & grammar
Train your pronunciation with instant feedback, and pick up grammar through quick quizzes.

■ Word battles
Challenge your followers and learners around the world to real-time vocabulary battles and climb the rankings.

■ AI support
Ask the AI about any word in detail, or turn a photo into practice questions.

■ Your own word list
Save the words you want to master and review them your way.

Now available in 13 languages.
Master vocabulary through etymology — roots, prefixes, quizzes & battles.
Updated on
Sep 5, 2026

Data safety

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What’s new

・最初に選んだ目標と現在のレベルに合わせて、学習を始める単語のレベルが決まるようになりました
・文法の練習が日本語以外の表示言語(韓国語・中国語・スペイン語など11言語)でも使えるようになりました
・学習を始めるときに読み込みが終わらないことがある不具合を修正しました
・読み込み中の表示をアプリ全体で統一しました
・アプリが予期せず終了することがある不具合を修正しました
・その他、細かな不具合の修正と安定性の向上を行いました