Reyney \re(y)-ney\ as a girl's name is a variant of Raina. See for origin and meaning of Reyney.
The baby name Reyney sounds like Rayney and Reney. Other similar baby names are Keyne, Deney, Layney, Rene, Jenney, Penney, Reyna, Rayne, Rainey, Renee, Raynee, Reine, Reene, Rennay, Renny, Renne, Renay, Ryley, Romney and Ronney.