おくokuおくoku
1.

A location that is situated deep within an area, away from the entrance, often implying a sense of hidden or secluded space.

2.

A segment of a house that lies inward from the front entrance, typically associated with the living space of the household head and not easily accessible to outsiders.

3.

Aspects or layers of something that are not immediately visible or apparent, conveying a sense of complexity or depth in understanding or emotion.

4.

A term primarily used by individuals of higher social standing to refer to their wives, suggesting respect and intimacy in the context of familial relationships.

5.

The concluding section of a written document or letter, often denoting the final thoughts or sentiments expressed.

6.

A distant or remote area, particularly referring to regions far from the capital or urban centers, carrying connotations of rusticity or isolation.

おくokuさんsan
1.

A respectful term used to refer to someone else's wife, indicating a certain level of courtesy.

2.

A common way to address or refer to a married woman, sometimes used colloquially to describe one’s own wife in a personal context.

3.

A term that suggests familiarity while maintaining a degree of respect, often used in social interactions to acknowledge a married woman without using her name.

Example:

彼は奥さんが怖かった。

おくば奥歯okuba
1.

A type of tooth located at the back of the mouth, primarily used for grinding food, commonly referred to as molars in English.

2.

A colloquial term for the teeth that exert significant force during chewing, often associated with the deeper parts of the mouth, in contrast to the front teeth.

Example:

左上の奥歯が痛みます。

おくふか奥深okufukaiおくぶか奥深okubukai
1.

Describing a space that extends far beyond the surface or entrance, suggesting a sense of depth and distance from the outside.

2.

Indicating a complexity or richness of meaning that is not immediately apparent, often requiring reflection to fully understand.

Example:

その話は、ある日曜日の午後も遅くなった頃、奥深い森の中で始まったんだ。

おくそこ奥底okusokoおうてい奥底outei
1.

The innermost and often hidden part of something, typically referring to emotions, thoughts, or knowledge that are not readily visible or understandable to others.

2.

A profound or secretive area within oneself or a situation, where true feelings or significant memories reside, often inaccessible or obscured from external perception.

3.

The deepest level of understanding or experience, representing aspects that are concealed from ordinary observation and may signify one's core beliefs or insights.