Quintuples, which means five times as much or fivefold, has a few synonyms that can help you vary your word choice. For instance, quintuples can be replaced with the word quintuple, which is the verb form of the word. Additionally, you can use the words fivefold, five times, five-part, five-piece, or five-fold. Other synonyms include pentuple, which means five times as much or fivefold as well. You can also use the word quinary, which refers to the number five or arranged in fives. Using these synonyms, you can make your writing more colorful and expressive, making it easier for readers to understand your intended meaning.