Synonyms and related words :
asphyxia, asphyxiation, burking, censorship, choke, choking, crackdown, crushing, drowning, extinguishment, garrote, putting down, quashing, quelling, quenching, repression, smashing, smotheration, smothering, squashing, squelching, stifling, strangling, strangulation, subdual, suffocating, suffocation, suppression