He holds dual citizenship in America and Japan.

His actions always have a duality.

Haplology is a part of linguistics, referring to the phenomenon where a part is omitted when the same syllable repeats.

Tritium is one of the radioactive isotopes.

Japan's exclusive economic zone plays a crucial role in the management and utilization of marine resources.

Japan's real economic growth rate is expected to exceed 2% this year.

The Empire of Japan, written as 大日本帝國 in Kyūjitai, was a nation that existed from 1868 to 1945.

The Imperial Japanese Army was a Japanese military force that existed from the Meiji era to the Showa era.

The Imperial Japanese Navy was once the navy of Japan.

She stood on the stage in a dazzling manner, wearing a Juni-hitoe.