riches vs wealth

riches and wealth both are nouns.

Word	Noun	Adjective	Verb	Adverb
riches	Yes	No	No	No
wealth	Yes	No	No	No

As nouns, riches and wealth are synonyms defined as:

riches (noun)	wealth (noun)
an abundance of material possessions and resources	the quality of profuse abundance
	property that has economic utility: a monetary value or an exchange value
	an abundance of material possessions and resources
	the state of being rich and affluent; having a plentiful supply of material goods and money