SigmavssignWhat's the difference?

Which to use

“Sigma” and “sign” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#29,330
“Sigma” frequency rank
#22,142
“sign” frequency rank
51472
confusion score

Side-by-Side Comparison

Feature Sigma sign
Definition achtzehnter Buchstabe des griechischen Alphabets Zeichen, Geste

Where the spellings diverge

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

5 ch
Sigma
4 ch
sign

Spelling & Dictionary Insight

A purely visual mix-up. Sigma ([ˈzɪɡma]) and sign ([saɪn]) 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 1 letter(s) in length. Our composite confusion score for this pair is 51472, derived from the frequency rank of both members and their visual similarity.

Sigma is recorded at frequency rank #29,330, classified as anoun, pronounced [ˈzɪɡma]. sign is at rank #22,142, tagged as anoun, pronounced [saɪn].

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 51472, this pair ranks #1,134,256 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Sigma vs sign

Shared letters: gis. Private to "Sigma": am. Private to "sign": n.

"Sigma" · 5 letters · shape CVCCV  ·  "sign" · 4 letters · shape CVCC

Known mistypes of this pair

  • Sigmaisgma · sgima · sigam · siggma · sigmma · simga · ssigma
  • signisgn · sgin · siggn · signn · ssign

Frequency comparison

Sigma#29,330
sign#22,142

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "Sigma" and "sign" be used interchangeably?
No. They are said differently ([ˈzɪɡma] versus [saɪn]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "Sigma" or "sign"?
"sign" is the more common of the two: it sits at frequency rank #22,142 in our German list, against #29,330 for "Sigma". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering Sigma vs sign

The fastest way to pick the right one every time.

  • Read both glosses above and match the meaning you intend, only context separates this pair.
  • 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

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

Source: FrequencyWords open word-frequency list