scurvy vs low-down

scurvy and low-down both are nouns.

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

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

Other synonyms of scurvy include abject, low, miserable, scummy.

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

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