Which to use
“sigma” is a noun and “sirva” is a verb - they look or sound alike but fill different roles in a sentence.
- #36,291
- “sigma” frequency rank
- #6,120
- “sirva” frequency rank
- 42411
- confusion score
Side-by-Side Comparison
| Feature | sigma | sirva |
|---|---|---|
| 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. | Primera persona del singular (yo) del presente de subjuntivo de servir. |
Where the spellings diverge
Shared letters are muted; the letters that actually set sigma and sirva apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: sigma is [ˈsiɣ̞ma] while sirva is [ˈsiɾβ̞a]. 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 verb), which is usually the fastest check. Our composite confusion score for this pair is 42411, 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]. sirva is at rank #6,120, tagged as averb, pronounced [ˈsiɾβ̞a].
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 42411, this pair ranks #148,354 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of sigma vs sirva
Shared letters: ais. Private to "sigma": gm. Private to "sirva": rv.
"sigma" · 5 letters · shape CVCCV · "sirva" · 5 letters · shape CVCCV
Known mistypes of this pair
Frequency comparison
Frequently Asked Questions
Can "sigma" and "sirva" be used interchangeably?
Which is more common, "sigma" or "sirva"?
Remembering sigma vs sirva
The fastest way to pick the right one every time.
- Check the role first: if you need a noun, it's “sigma”; for a verb, it's “sirva”.
- 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