Chinaman vs vernacular

Chinaman and vernacular both are nouns.

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

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

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