fraudulent scheme vs enterprise

fraudulent scheme and enterprise both are nouns.

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

As nouns, enterprise is a hypernym of fraudulent scheme; that is, enterprise is a word with a broader meaning than fraudulent scheme:

fraudulent scheme: an illegal enterprise (such as extortion or fraud or drug peddling or prostitution) carried on for profit
enterprise: a purposeful or industrious undertaking (especially one that requires effort or boldness)

Other hypernyms of fraudulent scheme include endeavor, endeavour.

fraudulent scheme (noun)	enterprise (noun)
an illegal enterprise (such as extortion or fraud or drug peddling or prostitution) carried on for profit	a purposeful or industrious undertaking (especially one that requires effort or boldness)
	readiness to embark on bold new ventures
	an organization created for business ventures