3 occurrences across the corpus

King James Version

Psalms 139:14

I will praise thee; for I am fearfully and wonderfully made: marvellous are thy works; and that my soul knoweth right well.

OT Pseudepigrapha

The Sibylline Oracles 1:279

By force of winds, it rushed on fearfully;

The Sibylline Oracles 13:143

And the Syrians shall perish fearfully;