weeaboo vs westerner

weeaboo and westerner both are nouns.

Word	Noun	Adjective	Verb	Adverb
weeaboo	Yes	No	No	No
westerner	Yes	No	No	No

As nouns, westerner is a hypernym of weeaboo; that is, westerner is a word with a broader meaning than weeaboo:

weeaboo: A white person, who is obsessed with Japanese culture, usually pejorative
westerner: an inhabitant of a western area; especially of the U.S.

weeaboo (noun)	westerner (noun)
A white person, who is obsessed with Japanese culture, usually pejorative	an inhabitant of a western area; especially of the U.S.