As nouns the difference between terms and tephramancy
is that terms is while tephramancy is divination by the ashes of an altar on which a victim has been sacrificed.
terms
English
Noun
(head)
Statistics
*
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tephramancy
English
Alternative forms
* tephromancy
Noun
(
-)
Divination by the ashes of an altar on which a victim has been sacrificed.
(
Webster 1913)