Extended Strong's Greek Lexicon (Abbott-Smith based)
advantage
Usage: ὠφέλεια (WH, -λία), -ας, ἡ [in LXX for יָעַל hi., בֶּצַע, etc. ;] __1. assistance, help (Thuc., Plat., al.). __2. profit, advantage, benefit (Hdt., Plat., al.): Rom.3:1, Ju 16.† (AS)