achondroplasty vs achondroplasia

achondroplasty and achondroplasia both are nouns.

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

As nouns, achondroplasty and achondroplasia are synonyms defined as:

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

Other synonyms of achondroplasty include chondrodystrophy, osteosclerosis congenita.

achondroplasty (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