numismatics vs numismatology

numismatics and numismatology both are nouns.

Word	Noun	Adjective	Verb	Adverb
numismatics	Yes	No	No	No
numismatology	Yes	No	No	No

As nouns, numismatics and numismatology are synonyms defined as:

numismatics and numismatology: the collection and study of money (and coins in particular)

Other synonyms of numismatics include coin collecting, coin collection.

numismatics (noun)	numismatology (noun)
the collection and study of money (and coins in particular)	the collection and study of money (and coins in particular)