pogrom
From Longman Dictionary of Contemporary Englishpogrompog‧rom /ˈpɒɡrəm $ pəˈɡrɑːm/ noun [countable] KILLa planned killing of large numbers of people, usually done for reasons of race or religionExamples from the Corpuspogrom• The way some of his colleagues told it afterward, he nearly started a pogrom.• It will be a greater blow than would be a dozen pogroms.• One step forward, two steps back; political progress followed by pernicious pogroms.Origin pogrom (1900-2000) Yiddish Russian, “great destruction”