• settle the scor,
• aettles the score,
• zettles the score,
• xettles the score,
• dettles the score,
• eettles the score,
• wettles the score,
• swttles the score,
• ssttles the score,
• sdttles the score,
• srttles the score,
• s4ttles the score,
• s3ttles the score,
• sertles the score,
• seftles the score,
• segtles the score,
• seytles the score,
• se6tles the score,
• se5tles the score,
• setrles the score

The adverb for "settles the score" is likely "definitely" or "ultimately", depending on the context. Both adverbs emphasize the certainty or finality of the action of settling the score.

The adjective form of "settles the score" is "score-settling".