Alternativity is a noun that refers to the quality of being alternative or different from the norm. Other words that could be used to express this concept include diversity, distinctiveness, uniqueness, variation, deviation, and nonconformity. Each of these synonyms captures the essence of being an alternative to something else. For example, diversity refers to a range of different things, while distinctiveness refers to something that is clearly different or unique. Variation suggests a deviation from the norm, while deviation and nonconformity emphasize the act of breaking away from the traditional or conventional. Overall, these synonyms can be useful for describing the quality of alternativity in a variety of contexts.