cuss vs swear

cuss is a noun but swear is not a noun.

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

As verbs, cuss and swear are synonyms defined as:

Other synonyms of cuss include blaspheme, curse, imprecate.

cuss (noun)	swear (noun)
profane or obscene expression usually of surprise or anger
a persistently annoying person
a boy or man

cuss (verb)	swear (verb)
utter obscenities or profanities	have faith or confidence in
	make a deposition; declare under oath
	utter obscenities or profanities
	promise solemnly; take an oath
	to declare or affirm solemnly and formally as true