相銀 そうぎん Meanings Noun mutual savings bank See also: 相互銀行 (そうごぎんこう). Kanji 相 mutual. Read as ソウ. 銀 silver. Read as ギン. Words containing 相銀 第一相銀 (だいいちそうぎん) Daiichi Sougin (former bank) Jinuma: Japanese Dictionary · Word lists