How to read: ひふう
Pronunciation: 
Same names and idioms in reading:
悲風 非風
Names and idioms with total stroke of 19:
市沢町 三田部 爽和 奈絆 吉田五十八
Names and idioms similar to 秘封:
秘色 秘中之秘 封禄 三封 秘宗
Yojijukugo(idioms with 4 Kanji characters) including 秘封:
黙契秘旨 華封三祝 戴封積薪