vernacular vs slant-eye

vernacular and slant-eye both are nouns.

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

vernacular (noun)	slant-eye (noun)
the everyday speech of the people (as distinguished from literary language)	(slang) a disparaging term for an Asian person (especially for North Vietnamese soldiers in the Vietnam War)
a characteristic language of a particular group (as among thieves)

vernacular (adjective)	slant-eye (adjective)
being or characteristic of or appropriate to everyday language