Sonndra \s(o)-nnd-ra, son(n)-dra\ as a girl's name is a variant of Sandra (English) and Sondra. See for origin and meaning of Sonndra.
The baby name Sonndra sounds like Sohndra and Sanndra. Other similar baby names are Zondra, Zohndra, Zanndra, Saundra, Kenndra, Sanndria, Sahndra, Shandra, Sondya, Sondja, Sonora, Tunndra and Vondra.