词根词缀：cephalo-, cephal-; -cephalic, -cephalism, -cephalous, -cephalus; -cephaly

【来源及含义】Greek: head

【相关描述】Sometimes these "head" elements are also written as: kephalo-, kephal-, etc.

【同源单词】abrachiocephalia, abrachiocephalus, acanthocephalid, acepalothoracia, acephalia, acephaline

词根词缀：chalico-, chalic-

【来源及含义】Greek: gravel, pebbles, rubble

【同源单词】chalicodophilous, chalicophilous, chalicophyte, chalicosis, chalicothere