ONOMANCY • FREE TRANSLATOR.ORG • Definition of Onomancy

... for the exercise of their talent. From this worthy precedent of Judicial Astrology, others took the hint and invented new modes of divination, such as Geomancy, Chiromancy, Onomancy, and the like; till the world by degrees became so overrun with superstition, that the least trifle was converted into a presage or presentiment; and the more so when this kind of knowledge became ...

— Thaumaturgia • An Oxonian

... Genesis, was practised by Joseph. Divination by the rod was also practised by the Egyptians. In comparatively recent times, it was pretended that by this means hidden treasures could be discovered. It now appears to be altogether exploded in Europe. Onomancy, or the foretelling a man's fate by the letters of his name, and the various transpositions of which they are capable, is a more modern sort of divination; but ...

— Memoirs of Extraordinary Popular Delusions and the Madness of Crowds • Charles Mackay