Do you spell Free Reign with a G

Do you spell Free Reign with a G Do correct spellings change over time? This video clip from ABC News, and the Oxford English Dictionary (OED), assert that they do. Usage does dictate what authorities such as the OED report as correct spellings of words, such as free reign and vocal chords. As much as I would like to think things like spellings do not change, I am forced to admit that they do. National Dictionary Day:   do you spell free reign with a G?