ショウ 
なお 
(接) furthermore
⇔    
なお (adv,conj) (uk) furthermore, still, yet, more, still more, in addition, greater, further
なおかつ (adv) (uk) besides, and yet
なおさら (adv) all the more, still less

Links: KanjiDic: EDict : Wikimedia
Etymologies: 中文字譜 : 説文解字