failure (i.e. an unsuccessful work); flop; dud; bomb
complete failure; debacle; fiasco; disaster
failure story; horror story
to be afraid of making mistakes; to fear failing
failure is the mother of success
failure teaches success; failure is a stepping-stone to success
(science of) failure analysis
buffer (full) error (i.e. space cannot be reserved as it is full)
(instance of) failure; example of failure