-mancy, -mancer, -mantic, -mantical
(Greek: used as a suffix; divination, prophecy, fortune telling; to interpret signs so “practical” decisions can be made [related to -mania])
It isn't so much the things we don't know that gets us into trouble. It's the things we know that aren't so.
If you keep on saying things are going to be bad, you have a good chance of being a prophet.
zoomancy (s) (noun) (no pl)
Divination with observations of animals or their movements under particular circumstances: Zoomancy is the prediction or foretelling in which people have claimed to have seen imaginary animals, such as a salamander playing around in a fire or a sea serpent riding ocean waves.
zygomancy (noun), zygomancies (pl)
Divination by using weights: Jane was interested in zygomancy, which has been practised by many cultures including the Greeks, Persians, and Romans, and found out that by using light or heavy weights, it is a way to understand the past, the present, and to foretell the future.