Word

秘境

ひきょう
unexplored region; one of the most secluded regions
Word

秘蔵

ひぞう
treasure; prize; cherish; treasured
Word

秘録

ひろく
secret notes; confidential papers
Word

秘術

ひじゅつ
secret art; the mysteries
Word

秘訣

秘決
ひけつ
secret (method, trick, etc.); mysteries (of an art, trade, etc.); key (e.g. to success); recipe
Word

便秘

べんぴ
constipation
Word

秘史

ひし
hidden or secret history
Word

秘仏

ひぶつ
Buddhist image normally withheld from public view
Word

秘法

ひほう
secret formula; secret process
Word

密か

秘か、窃か
ひそか
secret; private; surreptitious