disturbing vs worrying

disturbing is not a noun while worrying is a noun.

Word	Noun	Adjective	Verb	Adverb
disturbing	No	Yes	No	No
worrying	Yes	Yes	No	No

As adjectives, disturbing and worrying are synonyms defined as:

Other synonyms of disturbing include distressful, distressing, perturbing, troubling, worrisome.

disturbing (noun)	worrying (noun)
	the act of harassing someone
	the act of moving something by repeated tugs or pushes

disturbing (adjective)	worrying (adjective)
causing distress or worry or anxiety	causing distress or worry or anxiety