The term "supercedes" refers to one thing taking over or replacing another thing, and there are several synonyms that can be used interchangeably. A similar term is "supplants," which again refers to the replacement of one thing by another. "Overrules" is another synonym that can be used in specific contexts, such as legal or bureaucratic situations where one decision takes priority over another. Meanwhile, "displaces," means to remove or take over the position of something else. Other synonyms include "overrides," "outmodes," "replaces," and "overtakes." Each of these words can help add variety and nuance to writing or communication.