needed, necessary

need, necessity

room (of a house or hotel), chamber, apartment, flat / (sumo) a stable where rikishi live and train together under a shisho oyakata (stable master)

迦烏, 加烏: (obsolete) a score of nine in certain kinds of card gambling: カブ (kabu) in modern Japanese / 寡雨: little rainfall, limited precipitation / 花雨: a rain of flowers; rain falling on flowers

飼う: to keep (an animal) / 買う, 代う, 換う: to buy something / 代う, 換う, 替う: to exchange something / 交う: to take turns, to mingle together; to exchange, to mix

花雨: to rain flowers

蛙: frog

Potential of かわる.

怪盗: the phantom thief or mysterious thief, a stock character from Japanese fiction / 回答: reply / 解答: solution / 会頭: society president / 解凍: defrosting / 解党: dissolution of a party / 快刀: sharp sword

回答: reply / 解答: solve / 解凍: thaw / 解党: dissolve a party / 快投: throw a good pitch