Blood-typing system
The crossword clue "Blood-typing system" is answered by ABO, a 3-letter entry. Used 53 times across 22 distinct years; most recently in 2024. It appears in 17 publications in the xd corpus. Every figure on this page comes from the collection data itself.
The answer
ABO
3 letters. See every clue for this answer on the ABO answer page.
Used 53 times across 22 distinct years; most recently in 2024. It appears in 17 publications in the xd corpus. Frequency and last-seen figures come from the xd crossword corpus only.
Other clues for ABO
Every other clue in this collection answered by ABO, most used first.
- Blood-typing letters - used 94 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.
- Hot blood - IRE, used 82 times
- Prefix with system - ECO, used 58 times
- Flesh and blood - KIN, used 52 times
- System starter - ECO, used 49 times
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