ROGET THESAURUS
cocytus
Hell
N
hell, bottomless pit, place of torment, habitation of fallen angels, Pandemonium, Abaddon, Domdaniel, jahannan, sheol, hell fire, everlasting fire, everlasting torment, eternal damnation, lake of fire and brimstone, fire that is never quenched, worm that never dies, purgatory, limbo, gehenna, abyss, Tartarus, Hades, Avernus, Styx, Stygian creek, pit of Acheron, Cocytus, infernal regions, inferno, shades below, realms of Pluto, Pluto, Rhadamanthus, Erebus, Tophet, hellish, infernal, stygian, dies irae dies illa, the hue of dungeons and the scowl of night.