Nillda \n(i)-ll-da\ as a girl's name is a variant of Nilda (Italian). See for meaning of Nillda.
The baby name Nillda sounds like Nelda and Nelida. Other similar baby names are Willda, Allda, Hilda, Nella, Gilda, Kellda, Tilda, Milada, Niada, Neilla, Nila, Nilsa, Fillida, Vallda, Vellda, Wellda, Wallda, Wilda and Zellda.