How to read: こうこげん
Pronunciation: 
Same names and idioms in reading:
鉤股弦
Names and idioms with total stroke of 20:
税所 細海 爾汝 茣座 停音
Names and idioms similar to 勾股弦:
正弦 奏弦 勾陳 調弦 五股
Yojijukugo(idioms with 4 Kanji characters) including 勾股弦:
二股膏薬 緩弦朗笛 股肱之力
Idioms including 勾股弦:
股に掛ける 股肱の臣