Verses with the word royal in the New Testament (3 verses):

Acts 12:21
And upon a set day Herod, arrayed in royal apparel, sat upon his throne, and made an oration unto them.

James 2:8
If ye fulfil the royal law according to the scripture, Thou shalt love thy neighbour as thyself, ye do well:

1 Peter 2:9
But ye are a chosen generation, a royal priesthood, an holy nation, a peculiar people; that ye should shew forth the praises of him who hath called you out of darkness into his marvellous light;