THESAURUS
hemlock
beheading, belladonna, burning, capital punishment, castor-oil plant, crucifixion, deadly nightshade, death camas, decapitation, decollation, defenestration, electrocution, ergot, execution, foxglove, fusillade, garrote, gassing, hanging, henbane, horsetail, jimsonweed, judicial murder, lapidation, mayapple, mescal bean, monkshood, necktie party, poison ivy, poison parsley, poison sumac, poisoning, pokeweed, shooting, stoning, strangling, strangulation, the ax, the block, the chair, the gallows, the gas chamber, the guillotine, the hot seat, the rope
ROGET THESAURUS
hemlock
Bane
N
bane, curse, evil, hurtfulness, painfulness, scourge, damnosa hereditas, white elephant, sting, fang, thorn, tang, bramble, brier, nettle, poison, toxin, teratogen, leaven, virus venom, arsenic, antimony, tartar emetic, strychnine, nicotine, miasma, miasm, mephitis, malaria, azote, sewer gas, pest, Albany hemp, arsenious oxide, arsenious acid, bichloride of mercury, carbonic acid, carbonic gas, choke damp, corrosive sublimate, fire damp, hydrocyanic acid, cyanide, Prussic acid, hydrogen cyanide, marsh gas, nux vomica, ratsbane,
hemlock, hellebore, nightshade, belladonna, henbane, aconite, banewort, bhang, ganja, hashish, Upas tree, Toxline (online), rust, worm, helminth, moth, moth and rust, fungus, mildew, dry rot, canker, cankerworm, cancer, torpedo, viper, demon, toxicology, baneful, poisonous, phr, bibere venenum in auro, Contingent Subservience.