shell game vs fraud

shell game and fraud both are nouns.

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

As nouns, fraud is a hypernym of shell game; that is, fraud is a word with a broader meaning than shell game:

shell game: a swindling sleight-of-hand game; victim guesses which of three things a pellet is under
fraud: the act of swindling by some fraudulent scheme

Other hypernyms of shell game include cheat, rig, swindle.

shell game (noun)	fraud (noun)
a swindling sleight-of-hand game; victim guesses which of three things a pellet is under	intentional deception resulting in injury to another person
	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