Verses with the word fail in the New Testament (7 verses):

Luke 16:9
And I say unto you, Make to yourselves friends of the mammon of unrighteousness; that, when ye fail, they may receive you into everlasting habitations.

Luke 16:17
And it is easier for heaven and earth to pass, than one tittle of the law to fail.

Luke 22:32
But I have prayed for thee, that thy faith fail not: and when thou art converted, strengthen thy brethren.

1 Corinthians 13:8
Charity never faileth: but whether there be prophecies, they shall fail; whether there be tongues, they shall cease; whether there be knowledge, it shall vanish away.

Hebrews 1:12
And as a vesture shalt thou fold them up, and they shall be changed: but thou art the same, and thy years shall not fail.

Hebrews 11:32
And what shall I more say? for the time would fail me to tell of Gedeon, and of Barak, and of Samson, and of Jephthae; of David also, and Samuel, and of the prophets:

Hebrews 12:15
Looking diligently lest any man fail of the grace of God; lest any root of bitterness springing up trouble you, and thereby many be defiled;