polish
研
N4
freq:549
radical:
石
on:
ケン
kun:
と(ぐ)
meanings:
polish
grind
research
sharpen
攻
N1
freq:557
radical:
攴 (攵)
phonetic:
工
on:
コウ
kun:
せ(める)
meanings:
aggression
attack
criticize
polish
磨
N2
freq:1495
radical:
石
phonetic:
麻
on:
マ
kun:
みが(く)
meanings:
grind
polish