Here are some possibilities, depending on the context:
General terms for a supreme being:
* ईश्वर (Ishvara): This is a common term for a supreme being, often used in Hinduism and other Indian religions. It signifies a powerful, all-pervading entity.
* भगवान् (Bhagavan): Another common term, often translated as "Lord" or "God." It signifies a respected and revered being.
* देवता (Devata): This term generally refers to a divine being or deity, but it can also be used for a supreme being.
* ब्रह्म (Brahma): In Hinduism, Brahma is the creator god and represents the ultimate reality.
Specific deities:
* विष्णु (Vishnu): One of the major gods in Hinduism, often associated with preservation and maintenance.
* शिव (Shiva): Another major god in Hinduism, often associated with destruction and transformation.
Other relevant terms:
* परमेश्वर (Parameshwara): This term refers to the supreme lord or the ultimate reality.
* अविनाशी (Avinashi): This means "indestructible" and can be used to describe a timeless and eternal being.
Ultimately, the best Sanskrit equivalent for "God" depends on the specific context and the intended meaning. You can use a combination of these terms or choose the one that best fits your needs.