subcult means A cult making up part of a larger cult. Lexicurio rates it Sui generis — a strength score of 88 out of 100.
Etymology
From sub- + cult.
noun
- A cult making up part of a larger cult.“There was a kind of ghostly teenage DNA at work in the Sprawl, something that carried the coded precepts of various short-lived subcults and replicated them at odd intervals.”