destroyed (part of speech: verb)
demolished, wrecked, abolished, bulldozed, tore down, eradicated, knocked down, destroyed, razed, disintegrated, ripped to shreds, decimated, extirpated, desolated, annihilated, laid waste, flattened, mowed down, pulverized, smashed, leveled, devastated, torn down, atomized, dismantled, vaporized
killed (part of speech: verb)
killed, sacrificed, eliminated, drowned, hanged, purged, butchered, smitten, done in, smote, asphyxiated, murdered, dispatched, done away with, slain, suffocated, liquidated, slew, removed, snuffed, massacred, strangled, put to sleep, assassinated, iced, executed, chilled, did away with, smothered, slaughtered, did in
- After having exterminated Uhumakaikai, the conqueror sailed unmolested toward Kauai, to defeat his other enemies. - "Northern California, Oregon, and the Sandwich Islands", Charles Nordhoff.
- Jacky Joram had just distinguished himself greatly, and nearly exterminated a young gentleman who had married one girl while he was engaged to another. - "Ralph the Heir", Anthony Trollope.
- We can't blame the horses for allowing themselves to be exterminated. - "The Ragged Trousered Philanthropists", Robert Tressell.