Which to use
“Sigma” and “Signal” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #29,330
- “Sigma” frequency rank
- #3,996
- “Signal” frequency rank
- 33326
- confusion score
Side-by-Side Comparison
| Feature | Sigma | Signal |
|---|---|---|
| Definition | achtzehnter Buchstabe des griechischen Alphabets | etwas Wahrnehmbares, das eine bestimmte Bedeutung hat |
Where the eye mixes Sigma and Signal
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. Sigma runs 5 letters (CVCCV) against Signal's 6 (CVCCVC) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: Sigma vs Signal
A purely visual mix-up. Sigma ([ˈzɪɡma]) and Signal ([zɪˈɡnaːl]) 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 33326, 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]. Signal is at rank #3,996, tagged as anoun, pronounced [zɪˈɡnaːl].
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 33326, this pair ranks #1,688,380 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of Sigma vs Signal
Shared letters: agis. Private to "Sigma": m. Private to "Signal": ln.
"Sigma" · 5 letters · shape CVCCV · "Signal" · 6 letters · shape CVCCVC
Known mistypes of this pair
Frequently Asked Questions
Can "Sigma" and "Signal" be used interchangeably?
Frequency check: "Sigma" vs "Signal" - which ranks higher?
What to do next
Eye-level mix-up between "Sigma" and "Signal" 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 "Signal" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,688,380 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "Sigma" and "Signal" also get mixed up with nearby pairs, the highest-scored neighbour is "sega 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 #1,688,380 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.