knob / nob [nɒb]
knob – n. – 1. a rounded projection from a surface, such as a lump on a tree trunk; 2. a handle of a door, drawer, etc., especially one that is rounded; 3. a round hill or knoll; v. – 1. tr. to supply or ornament with knobs; 2. intr. to bulge
nob – n. – 1. in Cribbage, the jack of the suit turned up; 2. British slang a person of wealth or social distinction