hurting vs symptom

hurting and symptom both are nouns.

Word	Noun	Adjective	Verb	Adverb
hurting	Yes	No	No	No
symptom	Yes	No	No	No

As nouns, symptom is a hypernym of hurting; that is, symptom is a word with a broader meaning than hurting:

hurting: a symptom of some physical hurt or disorder
symptom: (medicine) any sensation or change in bodily function that is experienced by a patient and is associated with a particular disease

hurting (noun)	symptom (noun)
a symptom of some physical hurt or disorder	anything that accompanies X and is regarded as an indication of X's existence
	(medicine) any sensation or change in bodily function that is experienced by a patient and is associated with a particular disease