cartel vs consortium

cartel and consortium both are nouns.

Word	Noun	Adjective	Verb	Adverb
cartel	Yes	No	No	No
consortium	Yes	No	No	No

As nouns, consortium is a hypernym of cartel; that is, consortium is a word with a broader meaning than cartel:

cartel: a consortium of independent organizations formed to limit competition by controlling the production and distribution of a product or service
consortium: an association of companies for some definite purpose

Other hypernyms of cartel include pool, syndicate.

cartel (noun)	consortium (noun)
a consortium of independent organizations formed to limit competition by controlling the production and distribution of a product or service	an association of companies for some definite purpose