Englishgenocide
noun
the killing of Native Americans was the biggest genocide in world history:
racial killing, massacre, wholesale slaughter, mass slaughter, wholesale killing, indiscriminate killing;
mass murder, mass homicide, mass destruction, annihilation, extermination, elimination, liquidation, eradication, decimation, butchery, bloodbath, bloodletting;
pogrom, ethnic cleansing, holocaust, Shoah;
literary slaying;
rare battue, hecatomb.