Cynthea \cy(n)-thea\ as a girl's name is a variant of Cynthia (Greek), and the meaning of Cynthea is "from Mount Kynthos".

The baby name Cynthea sounds like Cynthya, Synthya, Synthia, Syntheea, Synthee, Syntha, Cynthie, Cinthia and Cintha. Other similar baby names are Anthea, Annthea, Kynthia, Cyntia, Panthea and Penthea.