predatory vs predacious

predatory and predacious both are adjectives.

Word	Noun	Adjective	Verb	Adverb
predatory	No	Yes	No	No
predacious	No	Yes	No	No

As adjectives, predatory and predacious are synonyms defined as:

predatory and predacious: living by or given to victimizing others for personal gain

Other synonyms of predatory include predaceous.

predatory (adjective)	predacious (adjective)
living by or given to victimizing others for personal gain	living by or given to victimizing others for personal gain
living by preying on other animals especially by catching living prey	hunting and killing other animals for food
characterized by plundering or pillaging or marauding