みぞmizoどぶdobu
1.

A narrow, elongated channel dug in the ground for the purpose of directing water, such as for irrigation or drainage.

2.

A long, shallow indentation formed in a surface to accommodate sliding doors or similar fixtures, often used metaphorically to describe emotional or relational gaps between individuals.

3.

A figurative barrier or division arising in the feelings or relationships between two parties, indicating a distance or misunderstanding that has developed over time.

4.

A specifically designed waterway for the flow of wastewater or rainwater, serving essential drainage functions in urban environments.

5.

A recessed area in bookbinding that helps improve the opening of a book, located at the junction of the cover and the spine.

Example:

彼はその浅いを飛び越えた。

レコreko-donoみぞmizo
1.

A spiral indentation on the surface of a vinyl record that is designed to hold audio information, which can be read by a needle during playback.

2.

The physical channel or track carved into a record that guides the stylus while producing sound, allowing for the reproduction of music and other audio content.

3.

The specific patterned area on a vinyl disc that encodes sound vibrations, translating them into audible signals when the record is played.

げすいこう下水溝gesuikou
1.

A channel designed to carry away excess water and waste from urban areas, ensuring proper sanitation and preventing flooding.

2.

A constructed passageway that collects and directs sewage and stormwater, facilitating the disposal of wastewater in a systematic manner.

かいこう海溝kaikou
1.

A deep, narrow depression on the ocean floor where the seabed is significantly lowered, often marking the boundary where tectonic plates converge, resulting in a V-shaped cross-section.

2.

An elongated, trough-like formation in the ocean characterized by extreme depths, typically exceeding 6,000 meters, that plays a critical role in geological processes such as subduction.

3.

A specific underwater feature that serves as a site for the sinking of oceanic plates, often associated with seismic activity and unique marine ecosystems.

4.

A geographical term referring to the deepest parts of the ocean that can support diverse marine life and are often locations for scientific exploration.

こうkou
1.

A narrow channel dug into the ground designed for the flow of water, often used for drainage or irrigation purposes.

2.

A long, narrow indentation made in a surface, typically for guiding sliding doors or creating a space for another object.

3.

An emotional or relational gap that exists between individuals, signifying a barrier in communication or connection.

4.

A reference to a specific part in bookbinding where the cover meets the spine, enhancing the book's usability for opening and reading.