The word "duals" refers to a pair of something or someone. Synonyms for this term include twosome, couple, duo, doublet, pairing, tandem, two-fold, dual, and duality. These words are often used interchangeably to describe a variety of things, such as twin stars in space, matching socks, or even romantic partners. Each of these synonyms has a slightly different connotation, with some emphasizing the idea of two things being identical (like a doublet) and others highlighting the complementary nature of a pair (like a couple). Regardless of which synonym is used, the concept of two things being connected in some way is essential to their meaning.