failed

As a verb failed

is (fail).

As a noun fell is

fur, pelt (hairy skin of an animal).

As verbs the difference between neglected and failed

is that neglected is past tense of neglect while failed is past tense of fail.

As an adjective neglected

is suffering from neglect.

As an adjective faulty

is having or displaying faults; not perfect; not adequate or acceptable.

As a verb failed is

past tense of fail.

As verbs the difference between fails and failed

is that fails is (fail) while failed is (fail).

As a noun fails

is .

As verbs the difference between fault and failed

is that fault is to criticize, blame or find fault with something or someone while failed is past tense of fail.

As a noun fault

is a defect; something that detracts from perfection.

As verbs the difference between failed and flunk

is that failed is past tense of fail while flunk is of a student, to fail a class; to not pass.

As verbs the difference between lose and failed

is that lose is to cause (something) to cease to be in one's possession or capability due to unfortunate or unknown circumstances, events or reasons while failed is past tense of fail.

As a noun lose

is fame, renown; praise.

As verbs the difference between denied and failed

is that denied is (deny) while failed is (fail).

As verbs the difference between flunked and failed

is that flunked is past tense of flunk while failed is past tense of fail.

As a verb failed

is past tense of fail.

As a noun failure is

state or condition of not meeting a desirable or intended objective, opposite of success.