Which to use
“Selma” is a name and “sigma” is a noun - they look or sound alike but fill different roles in a sentence.
- #42,145
- “Selma” frequency rank
- #36,291
- “sigma” frequency rank
- 78436
- confusion score
Side-by-Side Comparison
| Feature | Selma | sigma |
|---|---|---|
| Definition | Nombre de pila de mujer. | 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. |
Where the eye mixes Selma and sigma
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. Selma and sigma follow the identical consonant-vowel pattern (CVCCV). Same shape at a glance is often the real trap, independent of shared letters.
Why the eye confuses Selma with sigma
These two trip readers on the page rather than in the ear: Selma is [ˈselma] while sigma is [ˈsiɣ̞ma]. 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 (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 78436, derived from the frequency rank of both members and their visual similarity.
Selma is recorded at frequency rank #42,145, classified as aname, pronounced [ˈselma]. sigma is at rank #36,291, tagged as anoun, pronounced [ˈsiɣ̞ma].
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 78436, this pair ranks #14,457 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of Selma vs sigma
Shared letters: ams. Private to "Selma": el. Private to "sigma": gi.
"Selma" · 5 letters · shape CVCCV · "sigma" · 5 letters · shape CVCCV
Known mistypes of this pair
Frequently Asked Questions
Can "Selma" and "sigma" be used interchangeably?
In ordinary Spanish text, does "Selma" or "sigma" show up more?
What to do next
Eye-level mix-up between "Selma" and "sigma" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "Selma" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sigma" - compare definitions side by side with the headword page. Word entry
- This pair ranks #14,457 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "Selma" and "sigma" also get mixed up with nearby pairs, the highest-scored neighbour is "Selma 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 #14,457 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.