Verses with the word fearful in the New Testament (6 verses):

Matthew 8:26
And he saith unto them, Why are ye fearful, O ye of little faith? Then he arose, and rebuked the winds and the sea; and there was a great calm.

Mark 4:40
And he said unto them, Why are ye so fearful? how is it that ye have no faith?

Luke 21:11
And great earthquakes shall be in divers places, and famines, and pestilences; and fearful sights and great signs shall there be from heaven.

Hebrews 10:27
But a certain fearful looking for of judgment and fiery indignation, which shall devour the adversaries.

Hebrews 10:31
It is a fearful thing to fall into the hands of the living God.

Revelation 21:8
But the fearful, and unbelieving, and the abominable, and murderers, and whoremongers, and sorcerers, and idolaters, and all liars, shall have their part in the lake which burneth with fire and brimstone: which is the second death.