slugabed vs do-nothing

slugabed and do-nothing both are nouns.

Word	Noun	Adjective	Verb	Adverb
slugabed	Yes	No	No	No
do-nothing	Yes	Yes	No	No

As nouns, do-nothing is a hypernym of slugabed; that is, do-nothing is a word with a broader meaning than slugabed:

Other hypernyms of slugabed include bum, idler, layabout, loafer.

slugabed (noun)	do-nothing (noun)
a person who stays in bed until a relatively late hour	person who does no work

slugabed (adjective)	do-nothing (adjective)
	characterized by inability or unwillingness to work toward a goal or assume responsibility