Letter before omega
The crossword clue "Letter before omega" is answered by PSI, a 3-letter entry. Used 132 times across 29 distinct years; most recently in 2026. It appears in 28 publications in the xd corpus. Every figure on this page comes from the pilot data itself.
The answer
PSI
3 letters. See every clue for this answer on the PSI answer page.
Used 132 times across 29 distinct years; most recently in 2026. It appears in 28 publications in the xd corpus. Frequency and last-seen figures come from the xd crossword corpus only.
Other clues for PSI
Every other clue in this pilot answered by PSI, most used first.
- Omega preceder - used 110 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.
- Before - ERE, used 733 times
- Before, poetically - ERE, used 277 times
- Before now - AGO, used 273 times
- Night before - EVE, used 235 times
- Bard's "before" - ERE, used 218 times
- Before, in poetry - ERE, used 194 times
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