noisome vs foul-smelling

noisome and foul-smelling both are adjectives.

Word	Noun	Adjective	Verb	Adverb
noisome	No	Yes	No	No
foul-smelling	No	Yes	No	No

As adjectives, noisome and foul-smelling are synonyms defined as:

Other synonyms of noisome include fetid, foetid, foul, funky, ill-scented, smelly, stinking.

noisome (adjective)	foul-smelling (adjective)
offensively malodorous	offensively malodorous
causing or able to cause nausea