clawfoot vs malformation

clawfoot and malformation both are nouns.

Word	Noun	Adjective	Verb	Adverb
clawfoot	Yes	No	No	No
malformation	Yes	No	No	No

As nouns, malformation is a hypernym of clawfoot; that is, malformation is a word with a broader meaning than clawfoot:

clawfoot: a deformity of the foot characterized by an abnormally high arch and hyperextension of the toes which gives the foot the appearance of a claw
malformation: an affliction in which some part of the body is misshapen or malformed

Other hypernyms of clawfoot include deformity, misshapenness.

clawfoot (noun)	malformation (noun)
a deformity of the foot characterized by an abnormally high arch and hyperextension of the toes which gives the foot the appearance of a claw	something abnormal or anomalous
	an affliction in which some part of the body is misshapen or malformed