failure vs malformation

failure and malformation both are nouns.

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

As nouns, malformation is a hyponym of failure; that is, malformation is a word with a more specific, narrower meaning than failure:

failure (noun)	malformation (noun)
an act that fails	something abnormal or anomalous
an unexpected omission	an affliction in which some part of the body is misshapen or malformed
an event that does not accomplish its intended purpose
a person with a record of failing; someone who loses consistently
lack of success
loss of ability to function normally
inability to discharge all your debts as they come due