ateliosis vs ateleiosis

ateliosis and ateleiosis both are nouns.

Word	Noun	Adjective	Verb	Adverb
ateliosis	Yes	No	No	No
ateleiosis	Yes	No	No	No

As nouns, ateliosis and ateleiosis are synonyms defined as:

ateliosis and ateleiosis: a form of infantilism characterized by physical underdevelopment but normal intelligence

ateliosis (noun)	ateleiosis (noun)
a form of infantilism characterized by physical underdevelopment but normal intelligence	a form of infantilism characterized by physical underdevelopment but normal intelligence