General synonyms:
* Legends: This is a broad term that often encompasses myths, but can also refer to stories passed down through generations that may be based on real events.
* Folklore: This refers to the traditional beliefs, customs, and stories of a particular culture.
* Myths: This is sometimes used synonymously with mythology, but can also refer to individual stories.
* Fables: These are often short stories with a moral lesson.
* Tales: This is a general term for any story, but can also be used to refer to myths and legends.
More specific synonyms:
* Cosmogony: This refers specifically to myths about the creation of the universe.
* Theogony: This refers specifically to myths about the origins and genealogy of gods.
* Pantheon: This refers to the collection of gods and goddesses in a particular mythology.
The best synonym for "mythology" will depend on the specific context and the nuance you want to convey.