Anagrams of: ORO__

• a rapid rise

• the act of rising upward into the air

• move along very quickly

• move with a low humming noise

• rise rapidly

• a man who is a stupid incompetent fool

• an informal term for a youth or man

• A male servant, especially an attendant to a bullfighter.

• A title of respect for a young man (usually unmarried) with or without a name used.

• An unmarried man, a boy.

• Cousin (usually as a term of address)

• Because

• large African antelope with long straight nearly upright horns

• the emotion of great happiness

• something or someone that provides a source of happiness

• feel happiness or joy

• make glad or happy

• of or relating to the null set (a set with no members)

• a quantity of no importance; thing (object:), singular, negative pronoun; pronoun, thing, singular; quantifier: negative existential

• a mathematical element that when added to another number yields the same number

• the point on a scale from which positive or negative numerical quantities can be measured

• the sight setting that will cause a projectile to hit the center of the target with no wind blowing

• indicating the absence of any or all units under consideration

• having no measurable or otherwise determinable value

• indicating an initial point or origin

• adjust (an instrument or device) to zero value

• adjust (as by firing under test conditions) the zero of (a gun)