slang vs slant-eye

slang and slant-eye both are nouns.

Word	Noun	Adjective	Verb	Adverb
slang	Yes	No	Yes	No
slant-eye	Yes	No	No	No

slang (noun)	slant-eye (noun)
a characteristic language of a particular group (as among thieves)	(slang) a disparaging term for an Asian person (especially for North Vietnamese soldiers in the Vietnam War)
informal language consisting of words and expressions that are not considered appropriate for formal occasions; often vituperative or vulgar