Which to use
“sigma” and “sim” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #31,736
- “sigma” frequency rank
- #13,065
- “sim” frequency rank
- 44801
- confusion score
Side-by-Side Comparison
| Feature | sigma | sim |
|---|---|---|
| Definition | σ, ς, Σ, dix-huitième lettre et treizième consonne de l’alphabet grec. | Bouche. |
Where the eye mixes sigma and sim
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Visual trap between sigma and sim
A purely visual mix-up. sigma (\siɡ.ma\) and sim (\sim\) 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 2 letter(s) in length. Our composite confusion score for this pair is 44801, derived from the frequency rank of both members and their visual similarity.
sigma is recorded at frequency rank #31,736, classified as anoun, pronounced \siɡ.ma\. sim is at rank #13,065, tagged as anoun, pronounced \sim\.
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 44801, this pair ranks #207,703 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of sigma vs sim
Shared letters: ims. Private to "sigma": ag. Private to "sim": -.
"sigma" · 5 letters · shape CVCCV · "sim" · 3 letters · shape CVC
Known mistypes of this pair
- sigma ← isgma · sgima · sigam · siggma · sigmma · simga · ssigma
Frequently Asked Questions
Do "sigma" and "sim" mean the same thing in a sentence?
Which is more common, "sigma" or "sim"?
After this comparison
Eye-level mix-up between "sigma" and "sim" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "sigma" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sim" - compare definitions side by side with the headword page. Word entry
- This pair ranks #207,703 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "sigma" and "sim" also get mixed up with nearby pairs, the highest-scored neighbour is "salma vs sigma". 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 #207,703 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.