合

Historical term

Confederate States of America

Historical term

Japan-Korea Annexation Treaty (1910)

Historical term

neawase; Heian-period game of pulling out sweet flags and competing over whose plant has the longest roots

Historical term

Ishiyama Honganji War (1570-1580); Ishiyama War

Obsolete term

doing together

Obsolete term

being on par; being equal

Rare term

stew made from multiple ingredients

Rare term

linking poems

Rare term

baggage claim tag (at hotels, stations, etc.)

Rare term

relative; person to whom one is close

Rare term

publication of two or more different books together as one

Rare term; Sports

singles (tennis, badminton, etc.)

Rare term

cuckoo

Rare term; Sports

doubles (tennis, badminton, etc.)

Rare term

Inverness cape

Rare term; Mathematics

complementary set; complement

Rare term

fleshiness; plumpness

Rare term

to happen to be available; to have on hand; to have in stock

Rare term

to make one's story to seem coherent; to adjust one's story to fit the situation

Rare term

something so difficult that one doesn't know if there's even a 1 in 1000 chance of success

Rare term

guild socialism

Rare term

United Nations Secretariat

Rare term

group suicide; mass suicide; arranged suicide of two or more people

Rare term

United Nations Convention on the Law of the Sea

Rare term

United Nations Conference on the Human Environment