What's the difference between inexhaustible and unexhaustible?

Inexhaustible

Definition:

(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.

Example Sentences:

(1) The work, The Spear, by Brett Murray, unleashed a brouhaha that has hogged headlines for more than a week in South Africa and earned that inexhaustible accolade "painting-gate".
(2) It is, said publisher Little, Brown, "a virtuoso performance whose soaring riffs on the inexhaustible marvel of human perception and rage against the dying of the light will stand among Iain Banks' greatest work".
(3) They are being used for a multitude of purposes and the almost inexhaustible varieties of molecular architecture that macromolecular materials can possess provides the possibility for a myriad of applications.
(4) On the ground, however, the continuing Russian support is clear, as the separatists appear to have an inexhaustible supply of Grad missiles and other weaponry.
(5) Her energy was remarkable; she had an inexhaustible supply of hatred, expended daily, yet burning fiercely for years and years.
(6) All those incidents drew on a well of goodwill that had once seemed inexhaustible and now leave Simms in a tricky position as he attempts to reconcile responsibilities to Farah, to Rupp, to Project Oregon and to his business.
(7) This paper is a summary of our work with a new drug delivery system: a totally implantable, continuous infusion pump, with a self-contained inexhaustible power source.
(8) George suggests that “waste” is actually a misnomer since human faeces is an inexhaustible source of valuable nutrients.
(9) The capacity of human beings to think up new ways to kill one another proved inexhaustible, as did our capacity to exempt from mercy those who look different or pray to a different God.
(10) The search of cases of insanity among the rebels, the idea that their acts could only express some kind of phrenopathic disorder opens the debate on the very existence of some morbid types such as Falret's and Pottier's "reasoning, inexhaustible and proselyte lunatics", the "many characters with fanciful projects, including reformists of the human race, and various utopists" that Morel includes in his classification of hereditary insanity, Serieux's and Capgras "idealists concerned with justice" found amongst delusions related to altruistic claims, Dide's and Guiraud's "idealistic passions, social reformers, anarchists" appear to us as very outdated classifications, on the border of the psychiatric field.
(11) Fuentes's intellectual leadership is inexhaustible.
(12) I had faith in those who believed in the inexhaustible potential of people power.
(13) Their resources appear at first to be inexhaustible; a long-term trend of depletion is concealed by short-term fluctuations; small numbers of powerful people advance their interests by damaging those of everyone else; short-term profits trump long-term survival.
(14) The availability of an inexhaustible and easily reproducible source of such antibodies, which can be harvested from cell culture supernatants of permanent hybrid cell lines and animal ascites fluids, promises to advance considerably our knowledge of biology at the cellular, subcellular, and molecular levels.
(15) These findings raise the possibility that EPO bound to endocardial cells might utilize H2O2 generated either by overlying phagocytes or endogenous cardiac metabolism along with the virtually inexhaustible supply of Br- from flowing blood to fuel HOBr-mediated cell damage.
(16) There are places to eat and drink on some of the islands and an almost inexhaustible supply of locations to explore.
(17) His almost inexhaustible vitality, combined with a passionate belief in humanity, socialism and people's inherent common sense, enabled him time to engage in local politics: for a five-year period he was a Labour councillor.
(18) The result, the government says, will be an inexhaustible supply of cheap, clean energy that will also ease the country's $183bn a year dependence on Middle East oil.
(19) The connection between the intimate and the public lay at the heart of her work, an apparently inexhaustible stream of novels, short stories and essays.
(20) Original, imaginative, inexhaustible and right on top of the story.