Passoa is a sweet and fruity liqueur that is perfect for adding a tropical twist to any cocktail. While it is a unique and distinct flavor, there are several synonyms that can be used as substitutes. Some options include passionfruit liqueur, passionfruit syrup, passionfruit rum, or passionfruit juice. These options offer a similar tropical taste and can be a great alternative for those who want to mix up their cocktails or need a replacement ingredient. Whether you are looking for a substitute or simply want to broaden your cocktail horizons, these synonyms for Passoa can help you achieve delicious and refreshing drinks.