chondrodystrophy vs osteosclerosis congenita

chondrodystrophy and osteosclerosis congenita both are nouns.

Word	Noun	Adjective	Verb	Adverb
chondrodystrophy	Yes	No	No	No
osteosclerosis congenita	Yes	No	No	No

As nouns, chondrodystrophy and osteosclerosis congenita are synonyms defined as:

chondrodystrophy and osteosclerosis congenita: an inherited skeletal disorder beginning before birth; cartilage is converted to bone resulting in dwarfism

Other synonyms of chondrodystrophy include achondroplasia, achondroplasty.

chondrodystrophy (noun)	osteosclerosis congenita (noun)
an inherited skeletal disorder beginning before birth; cartilage is converted to bone resulting in dwarfism	an inherited skeletal disorder beginning before birth; cartilage is converted to bone resulting in dwarfism