OZA: River of lion in the region of the Bierzo, near Ponferrada, that gives name to the Valley by which runs. Also known as river Valdueza as well as the Valley.
Oza is incorrectly written and should be written as "Oza, Ossa" being its meaning: Place name common to several languages European, coming from the root " ausa " that means " source ".
OZA: NAME, LAST NAME.
OSA: someone dares when it is daring, dare, has courage to do something that involves risk commitment sacrifice.
Oza is incorrectly written, and should be written as it "hoza" to being its meaning: Dare, not respecting certain order or established rules, from the verb root