reign

As nouns the difference between reign and reigner

is that reign is the exercise of sovereign power while reigner is one who reigns; a ruler.

As a verb reign

is to exercise sovereign power, or to rule as a monarch.

As nouns the difference between reign and amillennialism

is that reign is the exercise of sovereign power while amillennialism is a view in Christian eschatology that rejects the claimed future thousand-year physical reign of Jesus Christ on the earth, in opposition to premillennial and some postmillennial views of the Book of Revelation, chapter 20, claiming instead that the number of years in Revelation 20 is a symbolic number and that Christ's eventual physical reign will be permanent.

As a verb reign

is to exercise sovereign power, or to rule as a monarch.

As verbs the difference between reign and regnal

is that reign is to exercise sovereign power, or to rule as a monarch while regnal is to reign.

As a noun reign

is the exercise of sovereign power.