vernacular vs Chinaman

vernacular and Chinaman both are nouns.

Word	Noun	Adjective	Verb	Adverb
vernacular	Yes	Yes	No	No
Chinaman	Yes	No	No	No

vernacular (noun)	Chinaman (noun)
the everyday speech of the people (as distinguished from literary language)	a ball bowled by a left-handed bowler to a right-handed batsman that spins from off to leg
a characteristic language of a particular group (as among thieves)	(ethnic slur) offensive term for a person of Chinese descent

vernacular (adjective)	Chinaman (adjective)
being or characteristic of or appropriate to everyday language