collude vs conspire

collude and conspire both are verbs.

Word	Noun	Adjective	Verb	Adverb
collude	No	No	Yes	No
conspire	No	No	Yes	No

As verbs, collude and conspire are synonyms defined as:

collude and conspire: act in unison or agreement and in secret towards a deceitful or illegal purpose

collude (verb)	conspire (verb)
act in unison or agreement and in secret towards a deceitful or illegal purpose	engage in plotting or enter into a conspiracy, swear together
	act in unison or agreement and in secret towards a deceitful or illegal purpose