You searched for: “onomancy
nomancy, onomancy
Divination from names or the letters of a name, as, the number of vowels in a name, the sum of the numerical value of the letters, or the like.
onomancy, onomomancy, onomantical
1. Divination or fortune telling with names.
2. Divination using proper names based on a subject's given name, popular in the Late Middle Ages.