Nagano vs Japan

Nagano and Japan both are nouns.

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

Nagano (noun)	Japan (noun)
a city in central Honshu to the northwest of Tokyo; site of a Buddhist shrine	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