expletive vs swearing

expletive and swearing both are nouns.

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

As nouns, expletive and swearing are synonyms defined as:

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

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

expletive (noun)	swearing (noun)
profane or obscene expression usually of surprise or anger	a commitment to tell the truth (especially in a court of law); to lie under oath is to become subject to prosecution for perjury
a word or phrase conveying no independent meaning but added to fill out a sentence or metrical line	profane or obscene expression usually of surprise or anger