combative vs agonistic

combative and agonistic both are adjectives.

Word	Noun	Adjective	Verb	Adverb
combative	No	Yes	No	No
agonistic	No	Yes	No	No

As adjectives, combative and agonistic are synonyms defined as:

Other synonyms of combative include agonistical.

combative (adjective)	agonistic (adjective)
having or showing a ready disposition to fight	of or relating to the athletic contests held in ancient Greece
inclined or showing an inclination to dispute or disagree, even to engage in law suits	struggling for effect
striving to overcome in argument	striving to overcome in argument