Disenchantment
Part of speech: noun
Definition: the act of disenchanting or the state of being disenchanted freeing from false belief or illusions
Example sentence: Where Reagan channeled disenchantment with overweening government, Obama symbolized America's transformation into a multiracial country.
Disillusionment
Part of speech: noun
Definition: A feeling that arises from the discovery that something is not what it was anticipated to be, commonly held to be stronger than disappointment especially when a belief central to one’s identity is shown to be false.The act of freeing from an illusion, or the state of being freed therefrom.
Example sentence: The Great War was a progressive revelation and disillusionment.