choke [choked, choking, chokes](prevent someone from breathing by strangling them) verb [UK: tʃəʊk] [US: tʃoʊk]
suffocate [suffocated, suffocating, suffocates]((transitive) to cause someone to suffer severely reduced oxygen supply to his body) verb [UK: ˈsʌ.fək.eɪt] [US: ˈsʌ.fəˌket]