Examples from the Web for numerology
His company names all ended in an X—EBX, OGX, MMX—because in numerology, X stands for the multiplication of wealth.
(For devotees of numerology the weakest seasons seem to come every third year–3, 6, 9).
In the study of Numerology we find there are seven principal numbers that indicate what influences prevail in your life.Manual of the Enumeration|C. J. Coffman
You meet quite a few people in the theater who are bats on numerology, they use it to pick stage-names.No Great Magic|Fritz Reuter Leiber
British Dictionary definitions for numerology
Word Origin and History for numerology
1911, "study of the occult meaning of numbers," a hybrid from Latin numerus "a number" (see number (n.)) + Greek -logia (see -logy). A correct formation would be arithmology, from Greek arithmos "number." Related: Numerological; numerologist.