Substantiv
deficiencies [sing. a deficiency]
failure [pl. failures] , {to}
deficiency [pl. deficiencies]
palaces [sing. a palace]
inability [pl. inabilities]
mansions [sing. a mansion]
insufficiency [pl. insufficiencies]
malfunction [pl. malfunctions]
incapacity [pl. incapacities]
underage [pl. underages]
indolence [pl. indolences]
...
hypofunction {Med}
قُصور {وَظيفِيّ}، {طب}
قُصور {طب}