SelmavssigmaWhat's the difference?

Quick tell: Selma is a name, sigma is a noun, so they fill different roles in a sentence.

Which to use

“Selma” is a name and “sigma” is a noun - they look or sound alike but fill different roles in a sentence.

#33,892
“Selma” frequency rank
#31,736
“sigma” frequency rank
65628
confusion score

Side-by-Side Comparison

Feature Selma sigma
Definition Prénom féminin. σ, ς, Σ, dix-huitième lettre et treizième consonne de l’alphabet grec.

Where the spellings diverge

Shared letters are muted; the letters that actually set Selma and sigma apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.

5 ch
Selma
5 ch
sigma

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: Selma is \sɛl.ma\ while sigma is \siɡ.ma\. 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 65628, derived from the frequency rank of both members and their visual similarity.

Selma is recorded at frequency rank #33,892, classified as aname, pronounced \sɛl.ma\. 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 65628, this pair ranks #71,492 of 440,172 scored French 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

  • Selmaeslma · selam · sellma · selmma · semla · slema · sselma
  • sigmaisgma · sgima · sigam · siggma · sigmma · simga · ssigma

Frequency comparison

Selma#33,892
sigma#31,736

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "Selma" and "sigma" be used interchangeably?
No - they are not even the same part of speech. "Selma" is a name and "sigma" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Selma" or "sigma"?
"sigma" is the more common of the two: it sits at frequency rank #31,736 in our French list, against #33,892 for "Selma". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering Selma vs sigma

The fastest way to pick the right one every time.

  • Check the role first: if you need a name, it's “Selma”; for a noun, it's “sigma”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “Selma” entry
  • Browse more pairs most likely to be confused. Most confusable

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list