The word co-nation refers to individuals who belong to the same nation or country. Some synonyms for co-nation include fellow citizens, compatriots, countrymen, nationals, and denizens. These words can be used interchangeably to express a sense of shared identity and allegiance to a particular nation. While the term co-nation may be less commonly used in everyday conversation, these synonyms are more commonly used to describe individuals who share a common bond based on their nationality. Whether discussing politics, culture, or history, using these synonyms can help to strengthen the sense of community and unity among fellow citizens.