Nagasaki vs Japan

Nagasaki and Japan both are nouns.

Word	Noun	Adjective	Verb	Adverb
Nagasaki	Yes	No	No	No
Japan	Yes	No	No	No

Nagasaki (noun)	Japan (noun)
a city in southern Japan on Kyushu; a leading port and shipbuilding center; on August 9, 1945 Nagasaki became the second populated area to receive an atomic bomb	a constitutional monarchy occupying the Japanese Archipelago; a world leader in electronics and automobile manufacture and ship building
	a string of more than 3,000 islands to the east of Asia extending 1,300 miles between the Sea of Japan and the western Pacific Ocean