Antonyms for the word "de-nominations" can vary depending on its context. If we are referring to the separation or division of something into smaller parts, the antonyms could be "merging" or "combination." On the other hand, if we are referring to the categorization of religions or belief systems, the antonyms could be "unification" or "universalism." In terms of money or currency, the antonyms could be "consolidation" or "amalgamation." In a broader sense, other antonyms could include "unity," "solidarity," or "harmony," all of which emphasize a sense of togetherness and cooperation rather than division or separation.