geisha vs Nipponese

geisha and Nipponese both are nouns.

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

As nouns, Nipponese is a hypernym of geisha; that is, Nipponese is a word with a broader meaning than geisha:

geisha: a Japanese woman trained to entertain men with conversation and singing and dancing
Nipponese: a native or inhabitant of Japan

Other hypernyms of geisha include Japanese, adult female, woman.

geisha (noun)	Nipponese (noun)
a Japanese woman trained to entertain men with conversation and singing and dancing	a native or inhabitant of Japan

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