slang vs caff

slang and caff both are nouns.

Word	Noun	Adjective	Verb	Adverb
slang	Yes	No	Yes	No
caff	Yes	No	No	No

slang (noun)	caff (noun)
a characteristic language of a particular group (as among thieves)	informal British term for a cafe
informal language consisting of words and expressions that are not considered appropriate for formal occasions; often vituperative or vulgar