collusive vs conniving

collusive and conniving both are adjectives.

Word	Noun	Adjective	Verb	Adverb
collusive	No	Yes	No	No
conniving	No	Yes	No	No

As adjectives, collusive and conniving are synonyms defined as:

collusive and conniving: acting together in secret toward a fraudulent or illegal end

collusive (adjective)	conniving (adjective)
acting together in secret toward a fraudulent or illegal end	acting together in secret toward a fraudulent or illegal end
	acting with a specific goal