shell game vs thimblerig

shell game and thimblerig both are nouns.

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

As nouns, shell game and thimblerig are synonyms defined as:

shell game and thimblerig: a swindling sleight-of-hand game; victim guesses which of three things a pellet is under

shell game (noun)	thimblerig (noun)
a swindling sleight-of-hand game; victim guesses which of three things a pellet is under	a swindling sleight-of-hand game; victim guesses which of three things a pellet is under