词根词缀：-acy, -cy

【来源及含义】Latin: suffix; state, quality, condition, or act of; forming nouns

【同源单词】adequacy, advocacy, albocracy, androcracy, anemocracy, angelocracy

词根词缀：numer-, number-

【来源及含义】Latin: distribution; to count, to reckon

【同源单词】alphanumeric, alphanumerical, alphanumerics, annumerate, annumeration, apocalyptic number