Which to use
“sigma” and “sila” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #36,291
- “sigma” frequency rank
- #49,273
- “sila” frequency rank
- 85564
- confusion score
Side-by-Side Comparison
| Feature | sigma | sila |
|---|---|---|
| Definition | Parte del intestino grueso que, en el hombre, continúa después del colon descendente, a la altura de la pelvis y es seguido por el recto. En esta parte los gases se acumulan para ser luego expulsados sin interferir con las heces. | Fisga. |
Where the eye mixes sigma and sila
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. sigma runs 5 letters (CVCCV) against sila's 4 (CVCV) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses sigma with sila
A purely visual mix-up. sigma ([ˈsiɣ̞ma]) and sila ([ˈsila]) 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 1 letter(s) in length. Our composite confusion score for this pair is 85564, derived from the frequency rank of both members and their visual similarity.
sigma is recorded at frequency rank #36,291, classified as anoun, pronounced [ˈsiɣ̞ma]. sila is at rank #49,273, tagged as anoun, pronounced [ˈsila].
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 85564, this pair ranks #6,016 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of sigma vs sila
Shared letters: ais. Private to "sigma": gm. Private to "sila": l.
"sigma" · 5 letters · shape CVCCV · "sila" · 4 letters · shape CVCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "sigma" for "sila" ever safe?
Frequency check: "sigma" vs "sila" - which ranks higher?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "sigma" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sila" - compare definitions side by side with the headword page. Word entry
- This pair ranks #6,016 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "sigma" and "sila" also get mixed up with nearby pairs, the highest-scored neighbour is "sila vs silbar". 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 #6,016 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.