cross-eye vs esotropia

cross-eye and esotropia both are nouns.

Word	Noun	Adjective	Verb	Adverb
cross-eye	Yes	No	No	No
esotropia	Yes	No	No	No

As nouns, cross-eye and esotropia are synonyms defined as:

cross-eye and esotropia: strabismus in which one or both eyes turn inward toward the nose

Other synonyms of cross-eye include convergent strabismus, crossed eye.

cross-eye (noun)	esotropia (noun)
strabismus in which one or both eyes turn inward toward the nose	strabismus in which one or both eyes turn inward toward the nose