wetback vs taco

wetback and taco both are nouns.

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

As nouns, wetback and taco are synonyms defined as:

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

Other synonyms of wetback include greaser.

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