The phrase "breaks deck" typically refers to causing damage to a ship's deck, but there are many synonyms that can be used to describe this same action. Some of these synonyms include cracking the deck, damaging the surface, shattering the planking, splintering the wood, fracturing the flooring, breaking the deckboards, or creating a breach. Each of these options offers a slightly different nuance in meaning, but they all ultimately describe the same result. Using synonyms can help to vary your language and create more precise descriptions, making your writing or communication more engaging and effective.