Ko
(
コ
)
tsu
(
ツ
)
Ko
(
コ
)
tsu
(
ツ
)
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Vocabulary
Non-JLPT
Day 186
炭
New
Sino-Japanese
炭
炭
たん
~ coal (as in 石炭/練炭)
suffix
Sino-Japanese
Lv.6
Again
1
Hard
2
Good
3
Easy
4
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