combative vs disputatious

combative and disputatious both are adjectives.

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

As adjectives, combative and disputatious are synonyms defined as:

combative and disputatious: inclined or showing an inclination to dispute or disagree, even to engage in law suits

Other synonyms of combative include contentious, disputative, litigious.

combative (adjective)	disputatious (adjective)
having or showing a ready disposition to fight	inclined or showing an inclination to dispute or disagree, even to engage in law suits
inclined or showing an inclination to dispute or disagree, even to engage in law suits
striving to overcome in argument