Verses with the word suddenly in the New Testament (10 verses):

Mark 9:8
And suddenly, when they had looked round about, they saw no man any more, save Jesus only with themselves.

Mark 13:36
Lest coming suddenly he find you sleeping.

Luke 2:13
And suddenly there was with the angel a multitude of the heavenly host praising God, and saying,

Luke 9:39
And, lo, a spirit taketh him, and he suddenly crieth out; and it teareth him that he foameth again, and bruising him hardly departeth from him.

Acts 2:2
And suddenly there came a sound from heaven as of a rushing mighty wind, and it filled all the house where they were sitting.

Acts 9:3
And as he journeyed, he came near Damascus: and suddenly there shined round about him a light from heaven:

Acts 16:26
And suddenly there was a great earthquake, so that the foundations of the prison were shaken: and immediately all the doors were opened, and every one's bands were loosed.

Acts 22:6
And it came to pass, that, as I made my journey, and was come nigh unto Damascus about noon, suddenly there shone from heaven a great light round about me.

Acts 28:6
Howbeit they looked when he should have swollen, or fallen down dead suddenly: but after they had looked a great while, and saw no harm come to him, they changed their minds, and said that he was a god.

1 Timothy 5:22
Lay hands suddenly on no man, neither be partaker of other men's sins: keep thyself pure.