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：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