flimflam vs con game

flimflam and con game both are nouns.

Word	Noun	Adjective	Verb	Adverb
flimflam	Yes	No	No	No
con game	Yes	No	No	No

As nouns, flimflam and con game are synonyms defined as:

flimflam and con game: a swindle in which you cheat at gambling or persuade a person to buy worthless property

Other synonyms of flimflam include bunco, bunco game, bunko, bunko game, con, confidence game, confidence trick, hustle, sting.

flimflam (noun)	con game (noun)
a swindle in which you cheat at gambling or persuade a person to buy worthless property	a swindle in which you cheat at gambling or persuade a person to buy worthless property