词根词缀:ortho-, orth-
【来源及含义】Greek: right, straight, correct, true; designed to correct
【同源单词】anorthographic, anorthography, anorthopia, anorthosis, diorthosis, orthergasia
词根词缀:thanato-, thanat-, thanas-, -thanasia, -thanasic, -thanatous
【来源及含义】Greek: death, dead
【相关词根词缀】 Related "death, dead; kill" units: -cide; lethal-; mort-; neci-; phono-; necro-.
【同源单词】active euthanasia, aneuthanasia, apothanasia, athanasia, biothanatos, cacothanasia