ninjitsu vs Japan

ninjitsu and Japan both are nouns.

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

ninjitsu (noun)	Japan (noun)
the traditional Japanese method of espionage; involves stealthy movements and the use of camouflage	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