Pairings is a term that refers to two people or things that are associated with each other. The crossword solutions for this term are DUOS and TWOS, both of which have four letters. DUOS is a French word meaning two people or things that are associated with each other, while TWOS is a more general term for two people or things that are together. Both terms refer to the same concept of two people or things being associated with each other.