expletive vs cuss

expletive and cuss both are nouns.

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

As nouns, expletive and cuss are synonyms defined as:

expletive and cuss: profane or obscene expression usually of surprise or anger

Other synonyms of expletive include curse, curse word, oath, swearing, swearword.

expletive (noun)	cuss (noun)
profane or obscene expression usually of surprise or anger	profane or obscene expression usually of surprise or anger
a word or phrase conveying no independent meaning but added to fill out a sentence or metrical line	a persistently annoying person
	a boy or man

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