There are no standard antonyms for the word preferentialities, as it is a highly specialized and technical term. Essentially, preferentialities refer to the ways in which one person or group may be given preferential treatment or privileges over another. In terms of antonyms, one might consider words like "equality," "impartiality," "non-discrimination," or "uniformity" as possible alternatives. These terms highlight the opposite idea of preferentialities, emphasizing the importance of fairness, equitability, and equal treatment for all. Ultimately, the concept of preferentialities is complex and multifaceted, and its nuances cannot be captured by a single word or set of antonyms.