"Jannice \j(a)-nni-ce\ as a girl's name is a variant of Janice. See for origin and meaning of Jannice.
The baby name Jannice sounds like Jennice, Annice, Janise, Jenice, Janyce, Jannis, Janiece, Janeece and Jeanice. Other similar baby names are Jannie and Jannine."