We don't have synonyms for choregos yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are choragus, choregus and chores.
(n) :
Alternative form of choragus. [(historical, Ancient Greece) A chorus leader, especially one who provided at his own expense and under his own supervision one of the choruses for the musical contests at Athens.]
(n) :
Alternative form of choragus. [(historical, Ancient Greece) A chorus leader, especially one who provided at his own expense and under his own supervision one of the choruses for the musical contests at Athens.]