How to read: とそ、とうそ
Pronunciation: 
Same names and idioms in reading:
陶祖 十都 戸曽 戸曾
Names and idioms with total stroke of 31:
藤聖 漁場主 飛脚船 蓑蟲 行者講
Names and idioms similar to 屠蘇:
蘇り 西老蘇 蘇川 蘇芳染 屠手
Yojijukugo(idioms with 4 Kanji characters) including 屠蘇:
韓海蘇潮 屠毒筆墨 屠竜之技