Numismatics is the study of currency, coins, and other forms of money. When describing something that relates to numismatics, the term "numismatical" comes to mind. However, there are several synonyms that can be used to describe the same concept. For example, "numismatologic" is another word that means the same thing. Other synonyms include "coin-collecting," "money-hoarding," and "currency-study." These terms all relate to the field of numismatics and can be used interchangeably with "numismatical." Whether you're a collector or simply interested in the history of money and currency, you can use any of these terms to describe your interests in the subject.