Raivo
Raivo is a word in the Finnish and Estonian languages that designates intense anger or fury. In both languages, the term refers to a powerful emotional state or act associated with strong, aggressive energy, and it can be used in both literal and metaphorical senses, such as in describing a violent storm or a fierce personal outburst. The noun raivo is typically used as a stand-alone concept of rage, rather than a mild irritation.
As a proper name, Raivo is a masculine given name in Estonia, where it has historical roots
Etymologically, raivo and related terms are cognate across Finnish and Estonian, sharing a common Finno-Ugric lineage