niggard vs skinflint

niggard and skinflint both are nouns.

Word	Noun	Adjective	Verb	Adverb
niggard	Yes	No	No	No
skinflint	Yes	No	No	No

As nouns, niggard and skinflint are synonyms defined as:

niggard and skinflint: a selfish person who is unwilling to give or spend

Other synonyms of niggard include churl, scrooge.

niggard (noun)	skinflint (noun)
a selfish person who is unwilling to give or spend	a selfish person who is unwilling to give or spend