Ko
(
コ
)
tsu
(
ツ
)
Ko
(
コ
)
tsu
(
ツ
)
App Store
Google Play
Vocabulary
N1
Day 12
有益
New
有益
有益
ゆうえき
beneficial, useful
na-adjective
Sino-Japanese
Lv.5
Again
1
Hard
2
Good
3
Easy
4
Previous word
Space flip · 1–4 grade · ← → move
Next word