Estuary
The crossword clue "Estuary" is answered by RIA, a 3-letter entry. Used 113 times across 47 distinct years; most recently in 2026; first recorded in 1969. It appears in 14 publications in the xd corpus. Every figure on this page comes from the pilot data itself.
The answer
RIA
3 letters. See every clue for this answer on the RIA answer page.
Used 113 times across 47 distinct years; most recently in 2026; first recorded in 1969. It appears in 14 publications in the xd corpus. Frequency and last-seen figures come from the xd crossword corpus only.
Other answers for this clue
The same clue has also been answered these ways in the xd corpus. Answers inside this pilot link to their own answer page.
- FIRTH (3 uses in xd)
- DELTA (2 uses in xd)
- TIDALRIVERMOUTH (1 uses in xd)
Other clues for RIA
Every other clue in this pilot answered by RIA, most used first.
- Narrow inlet - used 199 times, most recently in 2026
- River inlet - used 87 times, most recently in 2025
Related clues
Pilot clues of the same answer length that share a word with this clue, or match its answer pattern when no word is shared. Most used first.
- Fish eggs - ROE, used 648 times
- Regret - RUE, used 607 times
- "Norma ___" - RAE, used 480 times
- Go bad - ROT, used 373 times
- Caviar - ROE, used 314 times
- ___ Tin Tin - RIN, used 312 times
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