The term "Order of Nine Angles" refers to an esoteric organization that has been linked to various controversial practices and beliefs. Synonyms for this phrase might include "Ninerism," "ONA," or simply "the Order." These terms may be used by individuals who are familiar with the organization, its teachings, and its history. Other possible synonyms could include more general terms like "occult group," "fringe religion," or "secret society." Depending on the context, these terms may be used to describe various groups or individuals who are associated with the Order of Nine Angles, whether as members, followers, or critics.