Excellency
Part of speech: noun
Definition: The quality of being excellent.
Example sentence: That which has not a real excellency and value in it self, entertains no longer than the giddy Humour which recommended it to us holds.
Excellence
Part of speech: noun
Definition: The quality of being excellent; state of possessing good qualities in an eminent degree; exalted merit; superiority in virtue.Something in which one excels.An excellent or valuable quality; that by which any one excels or is eminent; a virtue.
Example sentence: Dreams can become a reality when we possess a vision that is characterized by the willingness to work hard, a desire for excellence, and a belief in our right and our responsiblity to be equal members of society.