Indistinguishabilities refers to the quality of being incapable of being differentiated or discerned. Synonyms for this word include similarities, likenesses, uniformities, resemblances, congruencies, identities, and sameness. These words all convey the idea of things or concepts that are essentially the same or near-identical. Other synonyms may include synonyms like homogeneities, uniformness, parallelism, and symmetries. These words may be used in various contexts such as mathematics, science, and even literature. In any setting, they can be used to describe two or more things that are indistinguishable from each other, and are therefore interchangeable.