contentious vs disputative

contentious and disputative both are adjectives.

Word	Noun	Adjective	Verb	Adverb
contentious	No	Yes	No	No
disputative	No	Yes	No	No

As adjectives, contentious and disputative are synonyms defined as:

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

Other synonyms of contentious include combative, disputatious, litigious.

contentious (adjective)	disputative (adjective)
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
involving or likely to cause controversy