WordNet (r) 3.0 (2006):

Great Mother
    n 1: great nature goddess of ancient Phrygia in Asia Minor;
         counterpart of Greek Rhea and Roman Ops [syn: Cybele,
         Dindymene, Great Mother, Magna Mater, Mater
         Turrita]

Moby Thesaurus II by Grady Ward, 1.0:

70 Moby Thesaurus words for "Great Mother":
   Agdistis, Amor, Aphrodite, Apollo, Apollon, Ares, Artemis, Ate,
   Athena, Bacchus, Ceres, Cora, Cronus, Cupid, Cybele, Demeter,
   Despoina, Diana, Dionysus, Dis, Eros, Gaea, Gaia, Ge, Hades,
   Helios, Hephaestus, Hera, Here, Hermes, Hestia, Hymen, Hyperion,
   Jove, Juno, Jupiter, Jupiter Fidius, Jupiter Fulgur,
   Jupiter Optimus Maximus, Jupiter Pluvius, Jupiter Tonans, Kore,
   Kronos, Magna Mater, Mars, Mercury, Minerva, Mithras, Momus,
   Neptune, Nike, Olympians, Olympic gods, Ops, Orcus, Persephassa,
   Persephone, Phoebus, Phoebus Apollo, Pluto, Poseidon, Proserpina,
   Proserpine, Rhea, Saturn, Tellus, Venus, Vesta, Vulcan, Zeus