周
circumference, circuit, lap
On'yomi: シュウ (shuu)
Kun'yomi: まわ.り (mawa.ri)
Stroke order
知
know, wisdom
On'yomi: チ (chi)
Kun'yomi: し.る (shi.ru)、 し.らせる (shi.raseru)
Stroke order
徹
penetrate, clear, pierce, strike home, sit up (all night)
On'yomi: テツ (tetsu)
Stroke order
底
bottom, sole, depth, bottom price, base, kind, sort
On'yomi: テイ (tei)
Kun'yomi: そこ (soko)
Stroke order