Hwan is a Korean word that means "money" or "currency". There are several synonyms for the word hwan. One of the synonyms for hwan is "don" which is also used to refer to money. Another synonym is "jae" which means property or assets. "Jeon" is also another synonym that refers to money but is used more in formal contexts. "Gam" is another word that can be used interchangeably with hwan and refers to currency. Lastly, "byeongwon" can also be used to refer to money but it is more commonly used to refer to one's financial status or wealth.