洞

洞
ONどう
KUNほら
Meanings
cavehollowgrottocavity
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How to remember

'HORA' — You might hear an **ECHO** when you call into a **HOLE** (ほら) or a cave.

Vocabulary

洞窟どうくつ
cave, grotto
空洞くうどう
hollow, cavity
洞察どうさつ
insight, discernment
洞穴ほらあな
cave, grotto

Related kanji

穴窟空堀同沼