"Fellow-countrywomen" is a term used to refer to women who share the same nationality or citizenship. There are many synonyms that can be used to describe women from the same country. Some of the options include compatriots, citizens, nationals, patriots, and countrywomen. Additionally, "fellow citizens" or "fellow countrymen" are commonly used to refer to people of the same nationality, regardless of gender. Another option is to use a specific term that refers to the region or country in question, such as Americans, Brits, Australians or Mexicans. Ultimately, the choice of synonym will depend on the context and tone of the text, but there are many options available to express the idea of people united by their nationality or citizenship.