jujutsu vs Japan

jujutsu and Japan both are nouns.

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

jujutsu (noun)	Japan (noun)
a method of self-defense without weapons that was developed in China and Japan; holds and blows are supplemented by clever use of the attacker's own weight and strength	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