misshapenness vs malformation

misshapenness and malformation both are nouns.

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

As nouns, misshapenness and malformation are synonyms defined as:

misshapenness and malformation: an affliction in which some part of the body is misshapen or malformed

Other synonyms of misshapenness include deformity.

misshapenness (noun)	malformation (noun)
an affliction in which some part of the body is misshapen or malformed	something abnormal or anomalous
	an affliction in which some part of the body is misshapen or malformed