Malfunction vs Fails - What's the difference?

As nouns the difference between malfunction and fails

is that malfunction is faulty functioning while fails is .

is that malfunction is to function improperly while fails is (fail).

(en noun)

faulty functioning

failure to function

(en verb)

to function improperly

She told him the machine was poorly built, but they both knew that she was the one who had malfunctioned .

to fail to function

(head)

(fail)

(head)

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