| EVADNE | Daughter of Poseidon in Greek myth (6) |
| SEAGOD | The role of Poseidon in Greek mythology (3,3) |
| TRIDENT | Implement wielded by Poseidon in Greek myth |
| AETHUSA | In Greek mythology, a daughter of Poseidon who was loved by Apollo and bore Eleuther |
| ATHENA | Goddess who beat Poseidon in a contest, earning her patronage of a city |
| PELIAS | In Greek mythology, a son of Poseidon and Tyro (6) |
| TRITON | Sea god in Greek mythology; a son of Poseidon and Amphitrite (6) |
| AGENOR | Son of Poseidon whose daughter, Europa, was captured by Zeus (6) |
| ATTICA | Home of the Temple of Poseidon |
| AEGEAN | Sea seen from the Temple of Poseidon |
| NEREID | Attendant of Poseidon |
| TOBY | _ Stephens, English actor who played Poseidon in Percy Jackson And The Olympians (4) |
| POLYPHEMUS | In Greek mythology, the most famous of the Cyclopes (one-eyed giants), son of Poseidon, god of the sea, and the nymph Thoosa. He captured Odysseus and his 12 companions, who eventually blinded him. Wh |
| OTUS | Son of Poseidon and brother of Ephialtes in Greek mythology |
| LARISSA | Capital of the Greek region Thessaly; or, the moon of Neptune named after a lover of Poseidon (7) |
| AMPHITRITE | In Greek mythology, a sea goddess who was the wife of Poseidon and mother of Triton |
| ANTAEUS | A son of Poseidon and Gaia in Greek mythology noted for his strength (7) |
| NAUPLIUS | Son of Poseidon and the Danaid Amymone in Greek mythology, famed as a navigator (8) |
| HERA | Greek goddess of marriage, women, childbirth, and family, sister of Poseidon, Hades and Zeus (4) |
| ZEUS | Greek god of the sky and thunder, brother of Poseidon and Hades (4) |
