cryptorchidy vs cryptorchism

cryptorchidy and cryptorchism both are nouns.

Word	Noun	Adjective	Verb	Adverb
cryptorchidy	Yes	No	No	No
cryptorchism	Yes	No	No	No

As nouns, cryptorchidy and cryptorchism are synonyms defined as:

cryptorchidy and cryptorchism: failure of one or both testes to move into the scrotum as the male fetus develops

Other synonyms of cryptorchidy include cryptorchidism.

cryptorchidy (noun)	cryptorchism (noun)
failure of one or both testes to move into the scrotum as the male fetus develops	failure of one or both testes to move into the scrotum as the male fetus develops