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

Romans 8:22
For we know that the whole creation groaneth and travaileth in pain together until now.

Revelation 16:10
And the fifth angel poured out his vial upon the seat of the beast; and his kingdom was full of darkness; and they gnawed their tongues for pain,

Revelation 21:4
And God shall wipe away all tears from their eyes; and there shall be no more death, neither sorrow, nor crying, neither shall there be any more pain: for the former things are passed away.