Firth
Firth noun - A part of a body of water that extends beyond the general shoreline.
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Synonyms for Firth
Passage and firth are semantically related. in arm of the sea topic. In some cases you can use "Passage" instead a noun "Firth".
Passage
Passage noun - An established course for traveling from one place to another.
Cite this Source
Passage and Firth. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/firth/passage
Firth & Passage. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/firth/passage>.
Passage or Firth. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/firth/passage.
Google Ngram Viewer shows how "firth" and "passage" have occurred on timeline