consortium vs cartel

consortium and cartel both are nouns.

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

As nouns, cartel is a hyponym of consortium; that is, cartel is a word with a more specific, narrower meaning than consortium:

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

Other hyponyms of consortium include combine, corporate trust, trust.

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