fraudulent scheme vs illegitimate enterprise

fraudulent scheme and illegitimate enterprise both are nouns.

Word	Noun	Adjective	Verb	Adverb
fraudulent scheme	Yes	No	No	No
illegitimate enterprise	Yes	No	No	No

As nouns, fraudulent scheme and illegitimate enterprise are synonyms defined as:

fraudulent scheme and illegitimate enterprise: an illegal enterprise (such as extortion or fraud or drug peddling or prostitution) carried on for profit

Other synonyms of fraudulent scheme include racket.

fraudulent scheme (noun)	illegitimate enterprise (noun)
an illegal enterprise (such as extortion or fraud or drug peddling or prostitution) carried on for profit	an illegal enterprise (such as extortion or fraud or drug peddling or prostitution) carried on for profit