How to read: げんすい
Pronunciation: 
Same names and idioms in reading:
減水 源水 玄水 言水
Names and idioms with total stroke of 22:
足掻き 東内郡 庸逸 多賀戸 虹蓋
Names and idioms similar to 減衰:
減築 衰滅 減却 磨減 精神衰弱
Yojijukugo(idioms with 4 Kanji characters) including 減衰:
以水減火 天人五衰 門衰祚薄