"Once ___ a time ..."
The crossword clue ""Once ___ a time ..."" is answered by UPON, a 4-letter entry. Used 284 times across 38 distinct years; most recently in 2026. It appears in 35 publications in the xd corpus. Every figure on this page comes from the pilot data itself.
The answer
UPON
4 letters. See every clue for this answer on the UPON answer page.
Used 284 times across 38 distinct years; most recently in 2026. It appears in 35 publications in the xd corpus. Frequency and last-seen figures come from the xd crossword corpus only.
Other clues for UPON
Every other clue in this pilot answered by UPON, most used first.
- Atop - used 179 times, most recently in 2026
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.
- At any time - EVER, used 696 times
- A single time - ONCE, used 296 times
- Thailand, once - SIAM, used 192 times
- Once, once - ERST, used 177 times
- High time? - NOON, used 151 times
- "The Time Machine" race - ELOI, used 148 times
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