cuss vs nudnik

cuss and nudnik both are nouns.

Word	Noun	Adjective	Verb	Adverb
cuss	Yes	No	Yes	No
nudnik	Yes	No	No	No

As nouns, nudnik is a hyponym of cuss; that is, nudnik is a word with a more specific, narrower meaning than cuss:

Other hyponyms of cuss include nudnick.

cuss (noun)	nudnik (noun)
profane or obscene expression usually of surprise or anger	(Yiddish) someone who is a boring pest
a persistently annoying person
a boy or man

cuss (verb)	nudnik (verb)
utter obscenities or profanities