Numerical prefix
The crossword clue "Numerical prefix" is answered by OCTA, a 4-letter entry. Used 68 times across 34 distinct years; most recently in 2019; first recorded in 1963. It appears in 4 publications in the xd corpus. Every figure on this page comes from the collection data itself.
The answer
OCTA
4 letters. See every clue for this answer on the OCTA answer page.
Used 68 times across 34 distinct years; most recently in 2019; first recorded in 1963. It appears in 4 publications in the xd corpus. Frequency and last-seen figures come from the xd crossword corpus only.
Other answers for this clue
The same clue has also been answered these ways in the xd corpus. Answers inside this collection link to their own answer page.
Other clues for OCTA
Every other clue in this collection answered by OCTA, most used first.
- Eight: Prefix - used 50 times, most recently in 2026
- Twice tetra- - used 41 times, most recently in 2026
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.
- Bone: Prefix - OSTE, used 156 times
- Prefix with dynamic - AERO, used 152 times
- Prefix meaning "against" - ANTI, used 121 times
- Within: Prefix - ENTO, used 121 times
- Prefix meaning "all" - OMNI, used 119 times
- Aviation prefix - AERO, used 101 times
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