The word "reoccurred" refers to something happening again or recurring. Synonyms for this word include "recur," "repeat," "resurface," and "reappear." Other synonyms that may be used in a context where something has happened multiple times before include "recurrent," "cyclic," "reoccurring," "periodic," and "intermittent." It's important to choose the appropriate synonym based on the context and intended meaning, as each has its own subtle nuances. For example, "reoccurring" might suggest a regular pattern of events, while "intermittent" might suggest irregularity or inconsistency.