Gaea as a proper noun is the earth, daughter of chaos, both mother and wife of uranus (the sky) and pontus (the sea). while Gaia as a proper noun is the mother of all things, including the titans, as well as zeus and all other gods.
Part of speech: proper noun
Definition: The earth, daughter of Chaos, both mother and wife of Uranus (the sky) and Pontus (the sea).
Part of speech: proper noun
Definition: The mother of all things, including the Titans, as well as Zeus and all other gods.
We hope you now know whether to use Gaea or Gaia in your sentence.