秘伝書

ひでんしょ

book of secrets

奥義秘伝

おうぎひでん

secrets, mysteries, secret formula, essence, esoterica (of an art, martial arts, etc.)

秘

secret; mystery

秘中の秘

ひちゅうのひ

top secret

秘苑

ひえん

secret garden, private garden

黙秘

もくひ

keep silent, keep a secret

秘仏

ひぶつ

Buddhist image normally withheld from public view

秘奥

ひおう

secrets, mysteries

秘術

ひじゅつ

secret art, the mysteries

秘鍵

ひけん ひかぎ

hidden mysteries, secret principle

秘書

ひしょ

(private) secretary

秘密

ひみつ

secret, mystery

神秘

しんぴ

mystery, mysteriousness, secret

秘儀

ひぎ

secret ceremony, ritual, sanctum sanctorum

秘方

ひほう

secret method, secret recipe, (prescription for a) secret medicine

秘匿

ひとく

hiding, concealment

秘薬

ひやく

nostrum, secret medicine

秘文

ひもん ひぶん

password, secret spell, secret phrase

秘史

ひし

hidden or secret history