Exhaustible :: Exhaustible (a.) Capable of being exhausted, drained off, or expended..
Inexhaustibility :: Inexhaustibility (n.) The state or quality of being inexhaustible; abundance.
Inexhaustible :: Inexhaustible (a.) Incapable of being exhausted, emptied, or used up; unfailing; not to be wasted or spent; as, inexhaustible stores of provisions; an inexhaustible stock of elegant words..