clubfoot vs deformity

clubfoot and deformity both are nouns.

Word	Noun	Adjective	Verb	Adverb
clubfoot	Yes	No	No	No
deformity	Yes	No	No	No

As nouns, deformity is a hypernym of clubfoot; that is, deformity is a word with a broader meaning than clubfoot:

clubfoot: congenital deformity of the foot usually marked by a curled shape or twisted position of the ankle and heel and toes
deformity: an affliction in which some part of the body is misshapen or malformed

Other hypernyms of clubfoot include malformation, misshapenness.

clubfoot (noun)	deformity (noun)
congenital deformity of the foot usually marked by a curled shape or twisted position of the ankle and heel and toes	an appearance that has been spoiled or is misshapen
	an affliction in which some part of the body is misshapen or malformed