Which to use
“sign” is a noun and “sino” is a conjunction - they look or sound alike but fill different roles in a sentence.
- #36,292
- “sign” frequency rank
- #210
- “sino” frequency rank
- 36502
- confusion score
Side-by-Side Comparison
| Feature | sign | sino |
|---|---|---|
| Definition | Señal. | Si aparece en preguntas o precedido de negación expletiva, indica que una única persona cumple con lo expresado. |
Where the eye mixes sign and sino
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Why the eye confuses sign with sino
These two trip readers on the page rather than in the ear: sign is /saɪn/ while sino is [ˈsino]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs conjunction), which is usually the fastest check. Our composite confusion score for this pair is 36502, derived from the frequency rank of both members and their visual similarity.
sign is recorded at frequency rank #36,292, classified as anoun, pronounced /saɪn/. sino is at rank #210, tagged as aconj, pronounced [ˈsino].
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 36502, this pair ranks #180,297 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of sign vs sino
Shared letters: ins. Private to "sign": g. Private to "sino": o.
"sign" · 4 letters · shape CVCC · "sino" · 4 letters · shape CVCV
Known mistypes of this pair
Frequently Asked Questions
Do "sign" and "sino" mean the same thing in a sentence?
Which is more common, "sign" or "sino"?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "sign" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sino" - compare definitions side by side with the headword page. Word entry
- This pair ranks #180,297 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "sign" and "sino" also get mixed up with nearby pairs, the highest-scored neighbour is "sign vs sila". 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 #180,297 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.