There are several synonyms for the phrase "pro and con" that are commonly used to express both the advantages and disadvantages of a particular decision or issue. These include "for and against", "plus and minus", "benefits and drawbacks", "upsides and downsides", "positives and negatives", and "advantages and disadvantages". Each of these phrases can be used interchangeably with "pro and con", and each one of them effectively conveys the idea of presenting both sides of an argument or decision. By using these synonyms, individuals can express their opinions objectively and fairly, ensuring that both sides of an issue are given equal consideration and attention.