奥さん[okusan] wife
奥さん孝行[okusankoukou] devoted to one's wife
奥の院[okunoin] inner sanctuary
奥の間[okunoma] inner room
奥の手[okunote] left hand

奥まって[okumatte] secluded
奥まる[okumaru] to lie deep in
奥意[okui] true intention
奥印[okuin] official seal

余蘊[youn] inexhaustible supply
蘊蓄[unchiku] great erudition
蘊奥[unnou] inner mysteries (of a field of study)
受蘊[juun] perception

蘊蓄を傾ける[unchikuwokatamukeru] to draw upon one's profound knowledge
蘊奥を究める[unnouwokiwameru] to master the secrets of
海蘊[mozuku] mozuku (Cladosiphon okamuranus and Sphaerotrichia divaricata, types of edible seaweed)
五蘊[goun] the five skandhas (the five aggregates: matter, sensation, perception, mental formations and consciousness)