shag vs shaggy

shag is a noun but shaggy is not a noun.

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

shag (noun)	shaggy (noun)
a lively dance step consisting of hopping on each foot in turn
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

shag (adjective)	shaggy (adjective)
	having a very rough nap or covered with hanging shags
	used of hair; thick and poorly groomed

shag (verb)	shaggy (verb)
dance the shag