Imperishability :: Imperishability (n.) The quality of being imperishable: indstructibility.
Imperishable :: Imperishable (a.) Not perishable; not subject to decay; indestructible; enduring permanently; as, an imperishable monument; imperishable renown..
Perish :: Perish (v. i.) To be destroyed; to pass away; to become nothing; to be lost; to die; hence, to wither; to waste away..