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:pedo-, paedo-, ped-, paed-, paido-, paid-
【来源及含义】Greek: child, boy; infant
【相关描述】The British tend to use paed- while those in the United States tend to use ped-. Remember that the Greek ped- means "child" while the Latin ped- means "foot". Don't confuse this Greek element with another Greek pedo- which means "ground, soil, earth".
【同源单词】callipedia, cyclopedia, cyclopedic, encyclopedia, encyclopedian, encyclopedic