achondroplasty vs osteosclerosis congenita

achondroplasty and osteosclerosis congenita both are nouns.

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

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

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

Other synonyms of achondroplasty include achondroplasia, chondrodystrophy.

achondroplasty (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