Joss \j(o)-ss\ as a girl's name (also used as boy's name Joss), is a variant of Jocelyn (Old German), and the meaning of Joss is "a member of the German tribe, the Gauts".
The baby name Joss sounds like Jess and Josy. Other similar baby names are Ross, Toos, Bess, Cass, Kass, Joya, Lois, Joni, Joan, Jas, Jessy, Jesse, Jessa, Jessi, Jo, Jone, Joby, Jobi, Joci, Joda, Jody, Jodi, Joie, Joi, Jola, Joly, Joli, Jori, Jozsa, Josie, Josey, Josee, Joey, Joy, Joye, Joia, Joyse, Rosa, Rose, Ros, Rosy, Rosse, Tess, Tossa and Jona.