умъртвявам означава в английски

assassinate [assassinated, assassinating, assassinates]▼(to murder by sudden or obscure attack)
verb
[UK: ə.ˈsæ.sɪ.neɪt] [US: ə.ˈsæ.sə.ˌnet]

mortify [mortified, mortifying, mortifies]▼(to kill)
verb
[UK: ˈmɔː.tɪ.faɪ] [US: ˈmɔːr.tə.ˌfaɪ]