swearword vs swearing

swearword and swearing both are nouns.

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

As nouns, swearword and swearing are synonyms defined as:

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

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

swearword (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
	profane or obscene expression usually of surprise or anger