retaliate vs retaliatory

retaliate is not an adjective while retaliatory is an adjective.

Word	Noun	Adjective	Verb	Adverb
retaliate	No	No	Yes	No
retaliatory	No	Yes	No	No

retaliate (adjective)	retaliatory (adjective)
	of or relating to or having the nature of retribution

retaliate (verb)	retaliatory (verb)
make a counterattack and return like for like, especially evil for evil
take revenge for a perceived wrong