Synonyms of decimation

1 Syllable
slaying
2 Syllables
bloodshed, slaughter, pogrom, murder, pogroms, bloodbath
3 Syllables
massacred, butchery, massacring, carnage
4 Syllables
internecion, extinguishment, demolishment, genocide
5 Syllables
apocalypse, exterminations, annihilation, extermination, assassination