i Register
In some senses, raign is marked as obsolete. Watch for register when choosing this word.
noun
Obsolete spelling of rain.
Obsolete spelling of reign.
verb
Obsolete spelling of rain.
Obsolete spelling of reign.
[…] though he could not in money and riches come to be like vnto other kinges (bicauſe the ſlaues and factors onely of the kinges Seleucus and Ptolomy, had more money then all the kings of Sparta had together that euer raigned) […]