Sender \s(e)-nder, sen-der\ as a boy's name is a variant of Sander (German). See for meaning of Sender.
The baby name Sender sounds like Zander, Xander, Saunder, Sandor, Sandero, Sanders, Snyder and Snider. Other similar baby names are Ander, Lander, Leander, Linder, Neander, Sandey, Senior, Sennet, Spider, Spyder and Vander.