"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 collection 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 collection answered by ERGO, most used first.
- Therefore - used 684 times, most recently in 2026
- Thus - used 240 times, most recently in 2026
- Hence - used 221 times, most recently in 2026
- Consequently - used 105 times, most recently in 2026
- As a result - used 88 times, most recently in 2025
- So - used 50 times, most recently in 2025
- It follows that - used 29 times, most recently in 2026
- "And so ..." - used 25 times, most recently in 2026
- Therefore, to Descartes - used 24 times, most recently in 2022
- Proof word - used 22 times, most recently in 2019
Related clues
Clues in this collection 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.
- Finds a sum - ADDS, used 36 times
- Sum, ___, fui - ESSE, used 24 times
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