Prefix meaning "equal"
The crossword clue "Prefix meaning "equal"" is answered by ISO, a 3-letter entry. Used 42 times across 21 distinct years; most recently in 2026; first recorded in 1952. It appears in 22 publications in the xd corpus. Every figure on this page comes from the collection data itself.
The answer
ISO
3 letters. See every clue for this answer on the ISO answer page.
Used 42 times across 21 distinct years; most recently in 2026; first recorded in 1952. It appears in 22 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 ISO
Every other clue in this collection answered by ISO, most used first.
- Equal: Prefix - used 123 times, most recently in 2026
- Equi- - used 66 times, most recently in 2026
- Prefix with metric - used 58 times, most recently in 2026
- Equal (Pref.) - used 53 times, most recently in 2026
- Bar opening? - used 33 times, most recently in 2024
- Prefix with bar - used 33 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.
- Green prefix - ECO, used 431 times
- Earth-friendly prefix - ECO, used 181 times
- Prefix with center - EPI, used 134 times
- Recent: Prefix - NEO, used 120 times
- Environmental prefix - ECO, used 114 times
- Prefix with natal - NEO, used 100 times
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