Ethnocide is the extermination or destruction of ethnic identities. Bartolomé Clavero differentiates ethnocide from genocide by stating that "Genocide kills people while ethnocide kills social cultures through the killing of individual souls". According to Martin Shaw, ethnocide is a core part of physically violent genocide. Some substitute cultural genocide for ethnocide, and other argue the distinction between ethnicity and culture. Cultural genocide and ethnocide have been used in different contexts. While the terms "ethnocide" and "ethnic cleansing" are similar, the intentions of their use vary. The term "ethnic cleansing" has been criticized as a euphemism that facilitates genocide denial by minimizing atrocities. In contrast, "ethnocide" acts as a critical tool of recognition, used by marginalized groups to assert that the destruction of their culture is a crime of genocidal proportions.