is a broader term that covers: dissent | clash | contradict, contravene, negate.

is the opposite of: agree, concord, concur, hold.

derivation: disagreement | dissent | discord, dissension | conflict, difference, difference of opinion, dispute | dissent | contestant, dissenter, dissident, objector, protester | disagreement, dissension, dissonance | dissentient, dissenting, dissident.