Which to use
“sigma” and “silla” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #36,291
- “sigma” frequency rank
- #3,082
- “silla” frequency rank
- 39373
- confusion score
Side-by-Side Comparison
| Feature | sigma | silla |
|---|---|---|
| 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. | Mueble para sentarse que tiene respaldo. |
Where the eye mixes sigma and silla
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. sigma and silla follow the identical consonant-vowel pattern (CVCCV). Same shape at a glance is often the real trap, independent of shared letters.
Look-alike desk: sigma vs silla
A purely visual mix-up. sigma ([ˈsiɣ̞ma]) and silla ([ˈsiʝa]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 39373, 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]. silla is at rank #3,082, tagged as anoun, pronounced [ˈsiʝa].
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 39373, this pair ranks #164,855 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of sigma vs silla
Shared letters: ais. Private to "sigma": gm. Private to "silla": l.
"sigma" · 5 letters · shape CVCCV · "silla" · 5 letters · shape CVCCV
Known mistypes of this pair
Frequently Asked Questions
Do "sigma" and "silla" mean the same thing in a sentence?
In ordinary Spanish text, does "sigma" or "silla" show up more?
After this comparison
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 "silla" - compare definitions side by side with the headword page. Word entry
- This pair ranks #164,855 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "sigma" and "silla" also get mixed up with nearby pairs, the highest-scored neighbour is "sigma 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 #164,855 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.