River that formed the ancient boundary between Brecknockshire and Carmarthenshire (5) Crossword Clue

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Here is the answer for the crossword clue River that formed the ancient boundary between Brecknockshire and Carmarthenshire (5) last seen in Mirror Quiz puzzle. We have found 40 possible answers for this clue in our database. Among them, one solution stands out with a 98% match which has a length of 5 letters. We think the likely answer to this clue is TWRCH.

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Crossword Answer For River that formed the ancient boundary between Brecknockshire and Carmarthenshire (5):

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40 Potential Answers:

RankAnswerLengthSourceDate
98% TWRCH River that formed the ancient boundary between Brecknockshire and Carmarthenshire (5) (5) Mirror Quiz Feb 19, 2026
4% EDGE Boundary (4) The Telegraph Cross Atlantic May 15, 2026
4% EDGES Boundaries (5) Commuter May 11, 2026
4% TAMAR River between Cornwall and Devon (5) The Telegraph Cross Atlantic Apr 27, 2026
4% MOHO The boundary between the crust and the mantle of planet Earth (4) (4) The Guardian Weekend Apr 4, 2026
4% REDRAW Change, as boundaries (6) Eugene Sheffer Apr 4, 2026
4% AMUR River that forms the boundary between Manchuria and Russia (4) Mirror Quiz May 25, 2025
4% TEIFI River that forms the boundary between Ceredigion and Carmarthenshire for most of its 75 mile length (5)
4% LEA The River ___ formed the boundary between Essex and Middlesex (3) The Times Specialist Sunday Oct 16, 2022
4% IRWELL River forming boundary between Manchester and Salford (6)

Last appeared together with the following clues in Mirror Quiz puzzle

River that formed the ancient boundary between Brecknockshire and Carmarthenshire (5) Crossword Clue
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We found 40 solutions for River that formed the ancient boundary between Brecknockshire and Carmarthenshire (5). The top solutions are determined by popularity, ratings and frequency of searches. The most likely answer for the clue is TWRCH.

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