conniving vs collusive

conniving and collusive both are adjectives.

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

As adjectives, conniving and collusive are synonyms defined as:

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

conniving (adjective)	collusive (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