The term "co-nations" typically denotes a group of nations that are united by common purpose or interest. However, there are several antonyms that can be applied to this word. Firstly, "disparate nations" refers to a group of countries that are dissimilar in terms of culture, geography, or political ideology. Secondly, "opposing nations" denotes countries that are in conflict or opposition to each other. Thirdly, "independent nations" signifies a group of sovereign states that are self-governing and do not depend on each other for resources or support. Finally, "isolated nations" refer to countries that exist in relative isolation from other nations, either by choice or circumstance.