Nipponese vs Nip

Nipponese and Nip both are nouns.

Word	Noun	Adjective	Verb	Adverb
Nipponese	Yes	Yes	No	No
Nip	Yes	No	No	No

As nouns, Nip is a hyponym of Nipponese; that is, Nip is a word with a more specific, narrower meaning than Nipponese:

Other hyponyms of Nipponese include Ryukyuan, Jap, geisha, geisha girl, shogun.

Nipponese (noun)	Nip (noun)
a native or inhabitant of Japan	(offensive slang) offensive term for a person of Japanese descent

Nipponese (adjective)	Nip (adjective)
of or relating to or characteristic of Japan or its people or their culture or language