eder — a river in central Germany, mainly in Hesse and flowing E to Kassel. 110 miles (177 km) long.
header — the upper part of the body in humans, joined to the trunk by the neck, containing the brain, eyes, ears, nose, and mouth.
redder — any of various colors resembling the color of blood; the primary color at one extreme end of the visible spectrum, an effect of light with a wavelength between 610 and 780 nanometers.