mythology — a body of myths, as that of a particular people or that relating to a particular person: Greek mythology.
legends — A traditional story sometimes popularly regarded as historical but unauthenticated.
folklore — the traditional beliefs, legends, customs, etc., of a people; lore of a people.
tradition — the handing down of statements, beliefs, legends, customs, information, etc., from generation to generation, especially by word of mouth or by practice: a story that has come down to us by popular tradition.
mythos — the underlying system of beliefs, especially those dealing with supernatural forces, characteristic of a particular cultural group.
lore — the space between the eye and the bill of a bird, or a corresponding space in other animals, as snakes.