low-down vs scurvy

low-down and scurvy both are nouns.

Word	Noun	Adjective	Verb	Adverb
low-down	Yes	Yes	No	No
scurvy	Yes	Yes	No	No

As adjectives, low-down and scurvy are synonyms defined as:

Other synonyms of low-down include abject, low, miserable, scummy.

low-down (noun)	scurvy (noun)
slang terms for inside information	a condition caused by deficiency of ascorbic acid (vitamin C)

low-down (adjective)	scurvy (adjective)
of the most contemptible kind	of the most contemptible kind
(of jazz) having the soulful feeling of early blues