Which to use
“signa” is a verb and “signal” is a noun - they look or sound alike but fill different roles in a sentence.
- #30,371
- “signa” frequency rank
- #3,801
- “signal” frequency rank
- 34172
- confusion score
Side-by-Side Comparison
| Feature | signa | signal |
|---|---|---|
| Definition | Troisième personne du singulier du passé simple de signer. | Signe servant d’avertissement. |
Where the eye mixes signa and signal
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. signa 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.
Visual trap between signa and signal
These two trip readers on the page rather than in the ear: signa is \si.ɲa\ while signal is \si.ɲal\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 extra letter(s) - “signa” sits inside “signal”, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 34172, derived from the frequency rank of both members and their visual similarity.
signa is recorded at frequency rank #30,371, classified as averb, pronounced \si.ɲa\. signal is at rank #3,801, tagged as anoun, pronounced \si.ɲal\.
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 34172, this pair ranks #285,660 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of signa vs signal
Shared letters: agins. Private to "signa": -. Private to "signal": l.
"signa" · 5 letters · shape CVCCV · "signal" · 6 letters · shape CVCCVC
Known mistypes of this pair
Frequently Asked Questions
Can "signa" and "signal" be used interchangeably?
Frequency check: "signa" vs "signal" - which ranks higher?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "signa" 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 #285,660 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "signa" and "signal" also get mixed up with nearby pairs, the highest-scored neighbour is "signa vs sind". 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 #285,660 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.