laggard vs do-nothing

laggard and do-nothing both are nouns.

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

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

laggard: someone who takes more time than necessary; someone who lags behind
do-nothing: person who does no work

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

laggard (noun)	do-nothing (noun)
someone who takes more time than necessary; someone who lags behind	person who does no work

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