Author Umberto
The crossword clue "Author Umberto" is answered by ECO, a 3-letter entry. Used 184 times across 37 distinct years; most recently in 2026; first recorded in 1986. It appears in 18 publications in the xd corpus. Every figure on this page comes from the pilot data itself.
The answer
ECO
3 letters. See every clue for this answer on the ECO answer page.
Used 184 times across 37 distinct years; most recently in 2026; first recorded in 1986. It appears in 18 publications in the xd corpus. Frequency and last-seen figures come from the xd crossword corpus only.
Other clues for ECO
Every other clue in this pilot answered by ECO, most used first.
- Green prefix - used 431 times, most recently in 2026
- Earth-friendly prefix - used 181 times, most recently in 2026
- Environmental prefix - used 114 times, most recently in 2026
- "The Name of the Rose" author - used 77 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.
- Author Fleming - IAN, used 275 times
- Author Deighton - LEN, used 201 times
- Author LeShan - EDA, used 163 times
- Author Rand - AYN, used 136 times
- Author Levin - IRA, used 134 times
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