年

Historical term

Kōgo register; Japan's first census register (670)

Historical term

1955 System; Japanese political alignment with the LDP in government and the JSP in opposition, which lasted until 1993

Historical term

Asia-Pacific War (starting with the Manchurian Incident in 1931 and ending with the Japanese surrender in 1945); Pacific War; fifteen years' war

Historical term

mannen tsūhō; ancient Japanese coinage first minted in 760 CE

Historical term

century of humiliation (in Chinese history)

Historical term

male cadet (aged 14-19) in the Imperial Japanese Army Air Service (during WWII)

Dated term

age

Rare term

below adult age; one's minority

Rare term; Noun or verb acting prenominally

extending over a number of years

Obsolete term

juvenile-onset diabetes

Rare term

48 years of age

Rare term

eastern pale clouded yellow (butterfly, Colias erate)

New Year's Eve

Jupiter (planet)

Rare term

unofficial era name; apocryphal era name

grain (esp. rice)

rice cultivation

old enough (to know better, etc.)

Rare term

Meiji 27-28 Campaign (alternate name for the First Sino-Japanese war; 1894-1895)

twenty years