taco vs wetback

taco and wetback both are nouns.

Word	Noun	Adjective	Verb	Adverb
taco	Yes	No	No	No
wetback	Yes	No	No	No

As nouns, taco and wetback are synonyms defined as:

taco and wetback: (ethnic slur) offensive term for a person of Mexican descent

Other synonyms of taco include greaser.

taco (noun)	wetback (noun)
a tortilla rolled cupped around a filling	(ethnic slur) offensive term for a person of Mexican descent
(ethnic slur) offensive term for a person of Mexican descent