词根词缀：eu-

【来源及含义】Greek: good, well, normal; happy, pleasing; used as a prefix

【同源单词】aneuploid, aneuploidy, eubiotics, Eucalyptus, eucentric, eucharist

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