varus vs malformation

varus and malformation both are nouns.

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

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

varus: a deformity in which part of a limb is turned inward to an abnormal degree
malformation: an affliction in which some part of the body is misshapen or malformed

Other hypernyms of varus include deformity, misshapenness.

varus (noun)	malformation (noun)
a deformity in which part of a limb is turned inward to an abnormal degree	something abnormal or anomalous
	an affliction in which some part of the body is misshapen or malformed