goof-off vs good-for-naught

goof-off and good-for-naught both are nouns.

Word	Noun	Adjective	Verb	Adverb
goof-off	Yes	No	No	No
good-for-naught	Yes	Yes	No	No

As nouns, goof-off and good-for-naught are synonyms defined as:

Other synonyms of goof-off include goldbrick, good-for-nothing, ne'er-do-well, no-account.

goof-off (noun)	good-for-naught (noun)
an idle worthless person	an idle worthless person

goof-off (adjective)	good-for-naught (adjective)
	without merit; of little or no value or use