flimflam vs confidence game

flimflam and confidence game both are nouns.

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

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

flimflam and confidence 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, con game, confidence trick, hustle, sting.

flimflam (noun)	confidence 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