kid vs slang

kid and slang both are nouns.

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

As verbs, slang is a hypernym of kid; that is, slang is a word with a broader meaning than kid:

Other hypernyms of kid include befool, cod, dupe, fool, gull, put on, put one across, put one over, take in.

kid (noun)	slang (noun)
young goat	a characteristic language of a particular group (as among thieves)
a young person of either sex	informal language consisting of words and expressions that are not considered appropriate for formal occasions; often vituperative or vulgar
a human offspring (son or daughter) of any age
soft smooth leather from the hide of a young goat

kid (verb)	slang (verb)
be silly or tease one another	abuse with coarse language
tell false information to for fun	fool or hoax
	use slang or vulgar language