Spiritus frumenti is a Latin phrase that refers to whiskey or other distilled spirits. There are numerous synonyms available for the word "spiritus frumenti" that you can use while maintaining the same meaning. These include terms like whiskey, bourbon, scotch, rye, and brandy. Others include rum, vodka, gin, tequila, and schnapps. Moreover, you may also use words like liquor, spirit, and distilled alcoholic beverage. However, it is essential to note that while these words all refer to distilled spirits, each one may have a distinct taste and aroma that sets it apart from the others. Hence, depending on the context, you may want to choose the right word to convey the exact meaning you want to express.