Verses with the word furiously in the Old Testament (2 verses):

2 Kings 9:20
And the watchman told, saying, He came even unto them, and cometh not again: and the driving is like the driving of Jehu the son of Nimshi; for he driveth furiously.

Ezekiel 23:25
And I will set my jealousy against thee, and they shall deal furiously with thee: they shall take away thy nose and thine ears; and thy remnant shall fall by the sword: they shall take thy sons and thy daughters; and thy residue shall be devoured by the fire.