コマ割り[komawari] panel layout
一割[ichiwari] ten percent
一割引き[ichiwaribiki] 10% off sale
学割り[gakuwari] student discount
額面割れ[gakumenware] drop below par

割く[saku] to tear
割引券[waribikiken] discount coupon or ticket
割引く[waribiku] to discount
割り栗[wariguri] rubble
割り栗石[wariguriishi] crushed rock

ムール貝[muurugai] moule
一枚貝[ichimaigai] univalve
烏貝[karasugai] cockscomb pearl mussel (Cristaria plicata)
貝ボタン[kaibotan] mother-of-pearl button
貝貨[baika] shell money

貝がら[kaigara] shell
貝柱[kaibashira] adductor muscle
貝毒[kaidoku] shellfish poison
貝類[kairui] shellfish