"Cogito, ___ sum"
The crossword clue ""Cogito, ___ sum"" is answered by ERGO, a 4-letter entry. Used 189 times across 40 distinct years; most recently in 2026; first recorded in 1963. It appears in 22 publications in the xd corpus. Every figure on this page comes from the pilot data itself.
The answer
ERGO
4 letters. See every clue for this answer on the ERGO answer page.
Used 189 times across 40 distinct years; most recently in 2026; first recorded in 1963. It appears in 22 publications in the xd corpus. Frequency and last-seen figures come from the xd crossword corpus only.
Other clues for ERGO
Every other clue in this pilot answered by ERGO, most used first.
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.
- Otherwise - ELSE, used 1,353 times
- Give off - EMIT, used 874 times
- At any time - EVER, used 696 times
- Gaelic - ERSE, used 679 times
- Raison d'___ - ETRE, used 658 times
- Coup d'___ - ETAT, used 594 times
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