Janiella \j(a)-niella, jani(el)-la\ as a girl's name is a variant of Janelle. See for origin and meaning of Janiella.
The baby name Janiella sounds like Janielle and Janella. Other similar baby names are Daniella, Danielle, Danniella, Daniela, Danella, Fauniella, Janiel, Jamilla, Jonella, Jenella, Jannelle, Janelba, Janela, Jinella, Janell, Nanella and Ranielle.