* Elizabethan: This adjective describes something related to the reign of Queen Elizabeth I of England (1558-1603), such as "Elizabethan literature" or "Elizabethan architecture".
* Elizabethan: It can also be used more generally to describe something characteristic of Elizabeth, or belonging to her. For example, "Elizabethan charm" or "Elizabethan style".
* Elizabethen: This is a less common, but still valid, alternative spelling for "Elizabethan".
If you're looking for a more general adjective to describe something related to Elizabeth, you could use:
* Elizabethan
* Elizabethine
* Elizabeth's
It really depends on the context and what you're trying to describe.