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 spellings diverge
Shared letters are muted; the letters that actually set sigma and silla apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
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
Frequency comparison
Frequently Asked Questions
Can "sigma" and "silla" be used interchangeably?
Which is more common, "sigma" or "silla"?
Remembering sigma vs silla
The fastest way to pick the right one every time.
- Read both glosses above and match the meaning you intend, only context separates this pair.
- See each word in full, definition, IPA, etymology and its other confusables. Full “sigma” entry
- Browse more pairs most likely to be confused. Most confusable