词根词缀：caco-, cac-, kako-, kak-

【来源及含义】Greek: bad, harsh, wrong, evil; incorrect; unpleasant; poor; used most of the time as a prefix

【相关词根词缀】Inter-related cross references, directly or indirectly, involving word units meaning "bad, wrong": dys-; mal-; mis-; pessim-; sceler-.

【同源单词】alexicacon, cacaerometer, cacaesthesia, cacergasia, cachectic, cachexia

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