ONそう
Meanings
layerstratumstoryclass
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How to remember

'SOU' — Picture 'SO MANY' layers stacked on top of each other.

Vocabulary

地層ちそう
stratum, geological layer
一層いっそう
still more, even more
階層かいそう
class, level, hierarchy
高層ビルこうそうビル
high-rise building
断層だんそう
fault (geological)

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