In the Latin origin, Sylvan means "Sylvan \s(y)-lvan, syl-van\ as a boy's name is a variant of Silas (Latin). See for meaning of Sylvan.
The baby name Sylvan sounds like Silvan, Salvian, Silvaon, Silvano, Sylvanus and Silvain. Other similar baby names are Alvan, Galvan, Kelvan, Salman, Sylvio, Sylver, Sloan and Stevan."