Sibling's nickname

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.

• Family nickname - used 160 times, most recently in 2026
• Bro's sibling - used 136 times, most recently in 2026
• Bro's sib - used 130 times, most recently in 2026
• Family member - used 104 times, most recently in 2022
• 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
• Fam. member - used 39 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
• Family girl - used 27 times, most recently in 2025
• Lisa, to Bart - used 23 times, most recently in 2023
• Venus, to Serena - used 23 times, most recently in 2026
• Sonny's sibling - used 22 times, most recently in 2000

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.

• Presidential nickname - ABE, used 184 times
• Capote nickname - TRU, used 128 times
• Lincoln nickname - ABE, used 97 times
• Presidential nickname - IKE, used 97 times
• Onassis nickname - ARI, used 91 times
• Presidential nickname. - CAL, used 69 times

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