We don't have synonyms for surya yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are sura, sunya and surra.
°The chief solardeity, one of the Adityas, son of Kasyapa and one of his wives Aditi, of Indra, or of Dyaus Pita (depending by the versions). Portrayed with golden arms and hair, Surya drives through the heaven in his triumphal chariot harnessed by seven horses or one horse with seven heads, which represent the seven colours of the rainbow or the seven chakras.
°The chief solardeity, one of the Adityas, son of Kasyapa and one of his wives Aditi, of Indra, or of Dyaus Pita (depending by the versions). Portrayed with golden arms and hair, Surya drives through the heaven in his triumphal chariot harnessed by seven horses or one horse with seven heads, which represent the seven colours of the rainbow or the seven chakras.