legist：(尤指精通罗马或民法的)法学家，(中国古代的)法家人物 

词根词缀： -leg-法(规) + -ist名词词尾

• omnipotent
• omnipresent
• omniscient
• omnivore
• omphalos
• omphaloskepsis
• on
• onanism
• once
• oncology
• one
• one-armed bandit
• one-liner
• oneness
• one-night stand
• onerous
• Onesies
• one-trick pony
• one-upmanship
• ongoing
• onion
• onion
• on-license
• only
• onomastics