Yeas and nays are two opposites. The yea refers to a positive vote or decision while the nay means a negative one. The term is commonly used in parliamentary procedures where members express their support or opposition to a proposed motion. However, there are several synonyms that can be used in place of yeas and nays. For instance, "ayes and noes," "yea-sayers and nay-sayers," "positives and negatives," and "affirmatives and negatives." The choice of words might vary depending on the context, but the meaning remains the same. The synonyms provide better alternatives that can be used in different situations.