奥

inner part of a house (near the kitchen, living room, etc.)

family matters; household affairs; personal business

Idiomatic expression

to beat around the bush; to not speak frankly; to talk in a roundabout way

rear shrine (located behind the main shrine, but dedicated to the same deity)

(admission to the) secrets of a discipline; esoterics of a discipline

esoteric writings; Upanishad (sacred Hindu treatises)

noble's private quarters

hidden double eyelid

court physician (of the Shōgun and his household, Edo period)

postscript (to a book); verification; publication (in a book)

Work of art, literature, music, etc. name

The Narrow Road to the Deep North (chronicle by Matsuo Basho, published in 1702)

Shinto

family grave; ancestral grave; tomb

working as a lady's maid

rear shrine (located behind the main shrine, but dedicated to the same deity)

inner wall (e.g. cave); inner rockface (mountain valley, etc.)

deep truth; deep knowledge

secret; initiation; diploma

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

devotion to one's wife; doing things for one's wife

depth perception

secluded; innermost

true intention

official seal

secret

depth; profundity