fraud vs con game

fraud and con game both are nouns.

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

As nouns, con game is a hyponym of fraud; that is, con game is a word with a more specific, narrower meaning than fraud:

fraud: the act of swindling by some fraudulent scheme
con game: a swindle in which you cheat at gambling or persuade a person to buy worthless property

fraud (noun)	con game (noun)
intentional deception resulting in injury to another person	a swindle in which you cheat at gambling or persuade a person to buy worthless property
something intended to deceive; deliberate trickery intended to gain an advantage
the act of swindling by some fraudulent scheme
a person who makes deceitful pretenses