siglevssigmaTell them apart

Which to use

“sigle” and “sigma” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#24,390
“sigle” frequency rank
#31,736
“sigma” frequency rank
56126
confusion score

Side-by-Side Comparison

Feature sigle sigma
Definition Initiale servant d’abréviation, dans un manuscrit ancien, sur une pièce de monnaie, etc. σ, ς, Σ, dix-huitième lettre et treizième consonne de l’alphabet grec.

Where the eye mixes sigle and sigma

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. sigle and sigma follow the identical consonant-vowel pattern (CVCCV). Same shape at a glance is often the real trap, independent of shared letters.

5 ch
sigle
5 ch
sigma

Why the eye confuses sigle with sigma

A purely visual mix-up. sigle (\siɡl\) and sigma (\siɡ.ma\) 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 56126, derived from the frequency rank of both members and their visual similarity.

sigle is recorded at frequency rank #24,390, classified as anoun, pronounced \siɡl\. sigma is at rank #31,736, tagged as anoun, pronounced \siɡ.ma\.

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 56126, this pair ranks #123,100 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sigle vs sigma

Shared letters: gis. Private to "sigle": el. Private to "sigma": am.

"sigle" · 5 letters · shape CVCCV  ·  "sigma" · 5 letters · shape CVCCV

Known mistypes of this pair

  • sigle ← isgle · sgile · sigel · siggle · siglle · silge · ssigle
  • sigma ← isgma · sgima · sigam · siggma · sigmma · simga · ssigma

Frequently Asked Questions

Do "sigle" and "sigma" mean the same thing in a sentence?
No. They are said differently (\siɡl\ versus \siɡ.ma\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "sigle" or "sigma"?
"sigle" is the more common of the two: it sits at frequency rank #24,390 in our French list, against #31,736 for "sigma". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "sigle" 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 #123,100 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "sigle" and "sigma" 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 #123,100 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list