词根词缀：alexo-, alex-, alexi-

【来源及含义】Greek: defend, protect, ward off, keep off

【同源单词】Alexander, alexeteric, alexicacon, alexidine, alexin, alexipharmac

词根词缀：pharmaco-, pharmac-, -pharmic

【来源及含义】Greek: medical drug, medicine; poison

【同源单词】alexipharmac, alexipharmacal, alexipharmic, antipharmic, autopharmacology, biopharmaceutics