Jeopardises is a commonly used word that means to put something at risk or in danger. However, there are many other words that can be used in place of jeopardises depending on the context it is being used in. Some of these words include threatens, endangers, imperils, undermines, sabotages, compromises, and hazards. These words can be used to convey similar meanings as jeopardises but may also add a different tone or emphasis to the sentence. As a writer, it is essential to expand your vocabulary and experiment with different synonyms to make your writing more engaging and impactful.