Overo: A group of spotting patterns characterized by sharp, irregular markings with a horizontal orientation, usually more dark than white, though the face is usually white, sometimes with blue eyes.
Sabino: Often confused with roan or rabicano, sabino is a slight spotting pattern characterized by high white on legs, belly spots, white markings on the face extending past the eyes and/or patches of roaning patterns standing alone or on the edges of white markings.