Writer Umberto

The answer

ECO

3 letters. See every clue for this answer on the ECO answer page.

Used 33 times across 21 distinct years; most recently in 2026; first recorded in 1989. It appears in 11 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 collection answered by ECO, most used first.

• Green prefix - used 431 times, most recently in 2026
• Author Umberto - used 184 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
• Prefix with friendly - used 72 times, most recently in 2025
• "Foucault's Pendulum" author - used 64 times, most recently in 2026
• Prefix with system - used 58 times, most recently in 2026
• Prefix with tourism - used 50 times, most recently in 2026
• System starter - used 49 times, most recently in 2025
• Environmentalist's prefix - used 34 times, most recently in 2025
• Friendly introduction? - used 32 times, most recently in 2026
• ___-friendly (green) - used 31 times, most recently in 2026
• Novelist Umberto - used 27 times, most recently in 2026
• "The Name of the Rose" author Umberto - used 27 times, most recently in 2025

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.

• Writer Rand - AYN, used 182 times
• "The Raven" writer - POE, used 132 times
• Writer Deighton - LEN, used 103 times
• Writer Fleming - IAN, used 99 times
• Writer Levin - IRA, used 88 times
• Writer LeShan - EDA, used 85 times

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