ax, beheading, block, burning, capital punishment, cross, crucifixion, death chair, death chamber, decapitation, decollation, defenestration, drop, electric chair, electrocution, execution, fusillade, gallows, gallows-tree, garrote, gas chamber, gassing, gibbet, guillotine, halter, hanging, hemlock, hemp, hempen collar, judicial murder, lapidation, lethal chamber, maiden, necktie party, noose, poisoning, rope, scaffold, shooting, stake, stoning, strangling, strangulation, the ax, the block, the chair, the gallows, the gas chamber, the guillotine, the hot seat, the rope, tree

For further exploring for "hot seat" in Webster Dictionary Online