eosinophilia vs symptom

eosinophilia and symptom both are nouns.

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

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

eosinophilia: a symptom of allergic states; increased eosinophils in the blood
symptom: (medicine) any sensation or change in bodily function that is experienced by a patient and is associated with a particular disease

eosinophilia (noun)	symptom (noun)
a symptom of allergic states; increased eosinophils in the blood	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