Verses with the word advantage in the New Testament (3 verses):

Romans 3:1
What advantage then hath the Jew? or what profit is there of circumcision?

2 Corinthians 2:11
Lest Satan should get an advantage of us: for we are not ignorant of his devices.

Jude 1:16
These are murmurers, complainers, walking after their own lusts; and their mouth speaketh great swelling words, having men's persons in admiration because of advantage.