Morganica \m(o)-rgani-ca, mor-ga-nica\ as a girl's name is a variant of Morgan (Welsh, Old English), and the meaning of Morganica is "circling sea or great brightness; bright or white sea dweller".
The baby name Morganica sounds like Morgance and Morgana. Other similar baby names are Morganne, Morgann, Morgane and Morgaine.