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

2 Corinthians 2:5
But if any have caused grief, he hath not grieved me, but in part: that I may not overcharge you all.

Hebrews 13:17
Obey them that have the rule over you, and submit yourselves: for they watch for your souls, as they that must give account, that they may do it with joy, and not with grief: for that is unprofitable for you.

1 Peter 2:19
For this is thankworthy, if a man for conscience toward God endure grief, suffering wrongfully.