Sibling's nickname
The crossword clue "Sibling's nickname" is answered by SIS, a 3-letter entry. Used 31 times across 9 distinct years; most recently in 2026; first recorded in 1981. It appears in 6 publications in the xd corpus. Every figure on this page comes from the collection data itself.
The answer
SIS
3 letters. See every clue for this answer on the SIS answer page.
Used 31 times across 9 distinct years; most recently in 2026; first recorded in 1981. It appears in 6 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 collection answered by SIS, most used first.
- Bro's sibling - used 136 times, most recently in 2026
- Bro's sib - used 130 times, most recently in 2026
- Bro's kin - used 65 times, most recently in 2025
- Member of the fam - used 64 times, most recently in 2026
- Certain sib - used 62 times, most recently in 2026
- Bro's counterpart - used 59 times, most recently in 2026
- "___ boom bah!" - used 55 times, most recently in 2026
- Female sib - used 36 times, most recently in 2026
- Female sibling, for short - used 34 times, most recently in 2026
- Sibling nickname - used 30 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.
- Capote nickname - TRU, used 128 times
- Lincoln nickname - ABE, used 97 times
- Onassis nickname - ARI, used 91 times
- Cowboy nickname - TEX, used 40 times
- Lincoln's nickname - ABE, used 39 times
- Eisenhower's nickname - IKE, used 36 times
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