Twosomes is a term that refers to a pair of people or things. However, there are several other words you can use instead of twosomes. One of the synonyms of twosomes is duo, which means a pair of people or things. Another word that can be used in place of twosomes is couple, which is commonly used to describe two people who are in a romantic relationship. Another synonym for twosomes is dyad, which is a term used in psychology to describe a pair of individuals who interact with each other. With all these synonyms, you can now use alternatives instead of using the word "twosomes".