worry vs worrying

worry and worrying both are nouns.

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

worry (noun)	worrying (noun)
something or someone that causes anxiety; a source of unhappiness	the act of harassing someone
a strong feeling of anxiety	the act of moving something by repeated tugs or pushes

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

worry (verb)	worrying (verb)
lacerate by biting
touch or rub constantly
be worried, concerned, anxious, troubled, or uneasy
disturb the peace of mind of; afflict with mental agitation or distress
be concerned with
be on the mind of