ketosis vs symptom

ketosis and symptom both are nouns.

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

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

ketosis: an abnormal increase of ketone bodies in the blood as in diabetes mellitus
symptom: (medicine) any sensation or change in bodily function that is experienced by a patient and is associated with a particular disease

ketosis (noun)	symptom (noun)
an abnormal increase of ketone bodies in the blood as in diabetes mellitus	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