Kammon Strait Bridge vs Japan

Kammon Strait Bridge and Japan both are nouns.

Word	Noun	Adjective	Verb	Adverb
Kammon Strait Bridge	Yes	No	No	No
Japan	Yes	No	No	No

Kammon Strait Bridge (noun)	Japan (noun)
a suspension bridge between Kyushu and Honshu	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