Verses with the word unblameable in the New Testament (2 verses):

Colossians 1:22
In the body of his flesh through death, to present you holy and unblameable and unreproveable in his sight:

1 Thessalonians 3:13
To the end he may stablish your hearts unblameable in holiness before God, even our Father, at the coming of our Lord Jesus Christ with all his saints.