祖

ソ

祖, 礻, 且, 月, 一

示

ancestor, pioneer, founder

祖父(そふ): (1) grandfather (2) old man (3) kyogen mask used for the role of an old man
祖母(そぼ): grandmother
先祖(せんぞ): ancestor
祖先(そせん): ancestor
お祖父さん(おじいさん): (1) grandfather (2) male senior-citizen
お祖母さん(おばあさん): (1) grandmother (2) female senior-citizen