chondrodystrophy vs achondroplasia

chondrodystrophy and achondroplasia both are nouns.

Word	Noun	Adjective	Verb	Adverb
chondrodystrophy	Yes	No	No	No
achondroplasia	Yes	No	No	No

As nouns, chondrodystrophy and achondroplasia are synonyms defined as:

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

Other synonyms of chondrodystrophy include achondroplasty, osteosclerosis congenita.

chondrodystrophy (noun)	achondroplasia (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