洞 JLPT N1 Kanji · Practice Flashcards 洞 — den, cave, excavation JLPT N1 9 strokes Secondary (Jōyō) Radical 水 #1618 most frequent Learning Done Flashcards Sign in to track progress Recall mode Readings On'yomi 音読みドウ Kun'yomi 訓読みほら 1 2 3 4 5 6 7 8 9 Example words & Vocabulary 洞察どうさつinsight; penetration Example sentences 3 洞窟どうくつを 脱出だっしゅつ! Cave escape! 彼かれの 洞察どうさつは 鋭するどい His insight is sharp. 探検家達は洞穴の中で骸骨を発見した。 The explorers discovered a skeleton in cave. ← Previous鎮 All N1 Kanji Next →履