dillydallier vs do-nothing

dillydallier and do-nothing both are nouns.

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

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

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

dillydallier (noun)	do-nothing (noun)
someone who wastes time	person who does no work

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