Bro's sibling
The crossword clue "Bro's sibling" is answered by SIS, a 3-letter entry. Used 136 times across 32 distinct years; most recently in 2026. It appears in 23 publications in the xd corpus. Every figure on this page comes from the pilot data itself.
The answer
SIS
3 letters. See every clue for this answer on the SIS answer page.
Used 136 times across 32 distinct years; most recently in 2026. It appears in 23 publications in the xd corpus. Frequency and last-seen figures come from the xd crossword corpus only.
Other clues for SIS
Every other clue in this pilot answered by SIS, most used first.
- Bro's sib - used 130 times, most recently in 2026
Related clues
Pilot clues 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.
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- ___ Paulo, Brazil - SAO, used 496 times
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