Cartel letters
The crossword clue "Cartel letters" is answered by OPEC, a 4-letter entry. Used 14 times across 11 distinct years; most recently in 2013; first recorded in 1984. It appears in 6 publications in the xd corpus. Every figure on this page comes from the collection data itself, never from a guess.
The answer
OPEC
4 letters. See every clue for this answer on the OPEC answer page.
Used 14 times across 11 distinct years; most recently in 2013; first recorded in 1984. It appears in 6 publications in the xd corpus. Frequency and last-seen figures come from the xd crossword corpus only.
Other clues for OPEC
Every other clue in this collection answered by OPEC, most used first.
- Oil cartel - used 253 times, most recently in 2026
- Crude cartel - used 59 times, most recently in 2026
- Oil cartel acronym - used 47 times, most recently in 2026
- Crude group? - used 35 times, most recently in 2026
- Oil cartel letters - used 35 times, most recently in 2026
- Oil grp. - used 30 times, most recently in 2025
- Crude grp. - used 24 times, most recently in 2026
- Cartel acronym - used 21 times, most recently in 2019
- Oil gp. - used 21 times, most recently in 2020
- Oil org. - used 21 times, most recently in 2026
- Fuel cartel - used 16 times, most recently in 2026
- Crude gp.? - used 14 times, most recently in 2022
- Intl. oil group - used 14 times, most recently in 2026
- Cartel since 1960 - used 13 times, most recently in 2015
- Vienna-based cartel - used 13 times, most recently in 2018
- Crude letters - used 12 times, most recently in 2023
- Crude org. - used 12 times, most recently in 2025
- Oil cartel initials - used 12 times, most recently in 2026
- Oil acronym - used 8 times, most recently in 2023
- Crude acronym - used 7 times, most recently in 2021
- International oil cartel - used 7 times, most recently in 2026
- Mideast cartel - used 7 times, most recently in 2005
- Well-known cartel - used 7 times, most recently in 2011
- Global cartel - used 6 times, most recently in 2024
- Intl. oil cartel - used 6 times, most recently in 2024
- Oil-producers' gr. - used 6 times, most recently in 2006
- Oily group - used 6 times, most recently in 2006
- Vienna-based org. - used 6 times, most recently in 2011
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.
- Greek letters - ETAS, used 270 times
- Greek letters - PSIS, used 163 times
- Invitation letters - RSVP, used 138 times
- Greek letters - RHOS, used 117 times
- Cross letters - INRI, used 72 times
- Letters of urgency - ASAP, used 69 times
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