trachoma vs eye disease

trachoma and eye disease both are nouns.

Word	Noun	Adjective	Verb	Adverb
trachoma	Yes	No	No	No
eye disease	Yes	No	No	No

As nouns, eye disease is a hypernym of trachoma; that is, eye disease is a word with a broader meaning than trachoma:

trachoma: a chronic contagious disease caused by a bacterium and marked by inflammation of the conjunctiva and cornea of the eye and the formation of scar tissue
eye disease: any disease of the eye

trachoma (noun)	eye disease (noun)
a chronic contagious disease caused by a bacterium and marked by inflammation of the conjunctiva and cornea of the eye and the formation of scar tissue	any disease of the eye