Which to use
“sis” and “sissy” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #12,501
- “sis” frequency rank
- #21,657
- “sissy” frequency rank
- 34158
- confusion score
Side-by-Side Comparison
| Feature | sis | sissy |
|---|---|---|
| Definition | Clipping of sister. | An effeminate boy or man. |
Where the eye mixes sis and sissy
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Visual trap between sis and sissy
A purely visual mix-up. sis (/sɪs/) and sissy (/ˈsɪsi/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 2 extra letter(s) - “sis” sits inside “sissy”. Our composite confusion score for this pair is 34158, derived from the frequency rank of both members and their visual similarity.
sis is recorded at frequency rank #12,501, classified as anoun, pronounced /sɪs/. sissy is at rank #21,657, tagged as anoun, pronounced /ˈsɪsi/.
Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.
With a confusion score of 34158, this pair ranks #323,170 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of sis vs sissy
Shared letters: is. Private to "sis": -. Private to "sissy": y.
"sis" · 3 letters · shape CVC · "sissy" · 5 letters · shape CVCCV
Known mistypes of this pair
- sissy ← isssy · sissyy · sisy · sisys · ssissy · ssisy
Frequently Asked Questions
Do "sis" and "sissy" mean the same thing in a sentence?
In ordinary English text, does "sis" or "sissy" show up more?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "sis" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sissy" - compare definitions side by side with the headword page. Word entry
- This pair ranks #323,170 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "sis" and "sissy" also get mixed up with nearby pairs, the highest-scored neighbour is "SIDS vs sissy". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #323,170 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.