The word "slakes" means to quench or satisfy one's thirst or desire. Some synonyms for the word "slakes" that can be used interchangeably include satiates, appeases, fulfills, gratifies, assuages, quenches, sates, allays, relieves, and mitigates. Using synonyms allows for a more diverse and colorful vocabulary while also conveying similar meanings to the original word. Synonyms can also help to avoid repetition, making writing more interesting and engaging for the reader. So, next time you want to use the word "slakes," consider using one of these synonyms to add depth and dimension to your writing.