More neutral:
* Disagreement: This is the most straightforward and neutral option.
* Dispute: This suggests a more formal or serious disagreement.
* Tiff: A light, playful disagreement, usually between close friends or family.
* Squabble: A minor argument, often petty or childish.
* Bicker: To argue repeatedly about unimportant matters.
More negative:
* Sparring: A verbal fight with playful or aggressive intent.
* Clash: This implies a more forceful disagreement.
* Friction: Indicates a tense or uneasy situation.
* Altercation: A noisy, public disagreement.
* Row: A loud and heated argument.
More positive:
* Debate: A formal discussion of opposing views.
* Discussion: A conversation where different perspectives are shared.
* Exchange: A back-and-forth conversation, often with differing opinions.
The best word will depend on the context and the specific nature of the argument.