MURE : obsolete term for a "wall"
MURAL : painting done on a building surface ( interior or exterior wall, ceiling, window frames)
MOOR : individual belonging to, or descended from, natives of North Africa, especially those that took place in the occupation of Spain and the Iberian Peninsula from the 7th to the 16th Century (Berbers)
MORE : a greater amount of a substance or item (adverb "to a greater extent")