Rainy \ra(i)-ny\ as a girl's name is a variant of Raina. See for origin and meaning of Rainy.

The baby name Rainy sounds like Rainey, Raine and Rain. Other similar baby names are Lanny, Nanny, Hanny, Briny, Rina, Cain, Tiny, Daina, Dany, Danny, Lainey, Laine, Fanny, Faina, Janny, Jany, Jaine, Jaina, Laina, Randy, Paine, Ray, Rayna, Reina, Rayney, Rayne, Rainee, Rainah, Raene, Raisa, Raiza, Raley, Railey, Rana, Rani, Ravina, Rivy, Reine, Ranay, Renny, Ronny, Ranna, Rasine, Sanny, Taina, Tawny and Zaina.