Found 2 boys and girls with the meaning of neptune
Hippocampus / 11 letters 
Meaning of Hippocampus In Greek, Hippocampus means A horse of Poseidon More
Salacia / 7 letters 
Meaning of Salacia In Latin, Salacia means Wife of Neptune More

Browse by meanings

janetjanuaryjapanese
jasonjavierjealousy
jehovahjenningsjerusalem
jesusjeweljewel-quality
jewelleryjewellery-makingjonas
jonesjosephjoseph's
joyfuljoyousjudah