Boundry
Frontier
Frontier noun - A region along the dividing line between two countries.
Boundry and frontier are semantically related in border topic. You can use "Boundry" instead a noun "Frontier", if it concerns topics such as boundary.
Nearby Word: frontiersman
Mutual synonyms
Cite this Source
Frontier and Boundry. (2017). Retrieved 2026, July 31, from https://thesaurus.plus/related/boundry/frontier
Boundry & Frontier. N.p., 2017. Web. 31 Jul. 2026. <https://thesaurus.plus/related/boundry/frontier>.
Frontier or Boundry. 2017. Accessed July 31, 2026. https://thesaurus.plus/related/boundry/frontier.
Google Ngram Viewer shows how "boundry" and "frontier" have occurred on timeline