goldbrick vs ne'er-do-well

goldbrick and ne'er-do-well both are nouns.

Word	Noun	Adjective	Verb	Adverb
goldbrick	Yes	No	Yes	No
ne'er-do-well	Yes	No	No	No

As nouns, goldbrick and ne'er-do-well are synonyms defined as:

Other synonyms of goldbrick include good-for-naught, good-for-nothing, goof-off, no-account.

goldbrick (noun)	ne'er-do-well (noun)
anything that is supposed to be valuable but turns out to be worthless	an idle worthless person
a brick-shaped block that looks like gold but is not
an idle worthless person
a soldier who performs his duties without proper care or effort

goldbrick (verb)	ne'er-do-well (verb)
avoid (one's assigned duties)
deprive of by deceit