dealer vs monger

dealer and monger both are nouns.

Word	Noun	Adjective	Verb	Adverb
dealer	Yes	No	No	No
monger	Yes	No	Yes	No

As nouns, dealer and monger are synonyms defined as:

dealer and monger: someone who purchases and maintains an inventory of goods to be sold

Other synonyms of dealer include bargainer, trader.

dealer (noun)	monger (noun)
a firm engaged in trading	someone who purchases and maintains an inventory of goods to be sold
a seller of illicit goods
the person who distributes the playing cards in a card game
someone who purchases and maintains an inventory of goods to be sold
the major party to a financial transaction at a stock exchange; buys and sells for his own account

dealer (verb)	monger (verb)
	sell or offer for sale from place to place