slang vs shag

slang and shag both are nouns.

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

slang (noun)	shag (noun)
a characteristic language of a particular group (as among thieves)	a lively dance step consisting of hopping on each foot in turn
informal language consisting of words and expressions that are not considered appropriate for formal occasions; often vituperative or vulgar	slang for sexual intercourse
	a fabric with long coarse nap
	a matted tangle of hair or fiber
	a strong coarse tobacco that has been shredded