Prefix meaning "eight"

The answer

OCTA

4 letters. See every clue for this answer on the OCTA answer page.

Used 18 times across 12 distinct years; most recently in 2025. It appears in 13 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.

• OCTO (43 uses in xd)
• OCT (3 uses in xd)

Other clues for OCTA

Every other clue in this collection answered by OCTA, most used first.

• Numerical prefix - used 68 times, most recently in 2019
• Eight: Prefix - used 50 times, most recently in 2026
• Twice tetra- - used 41 times, most recently in 2026
• Prefix with -gon - used 15 times, most recently in 2025
• Eight: Comb. form - used 13 times, most recently in 1993
• Tetra- doubled - used 13 times, most recently in 2025
• Hepta- plus one - used 10 times, most recently in 2020
• Eight: pref. - used 8 times, most recently in 2024
• Penta- plus three - used 8 times, most recently in 2018
• Prefix for eight - used 8 times, most recently in 2026
• Prefix with chord or meter - used 7 times, most recently in 1990
• Tetra- times two - used 6 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.

• 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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