Which to use
“seconde” is an adjective and “sonde” is a noun - they look or sound alike but fill different roles in a sentence.
- #677
- “seconde” frequency rank
- #7,902
- “sonde” frequency rank
- 8579
- confusion score
Side-by-Side Comparison
| Feature | seconde | sonde |
|---|---|---|
| Definition | Féminin singulier de second. | Instrument qui sert à sonder. — Il se dit particulièrement d’un plomb attaché à une corde et dont on use pour connaître la profondeur de la mer, d’une rivière, la nature du fond, etc. |
Where the eye mixes seconde and sonde
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.
Look-alike desk: seconde vs sonde
These two trip readers on the page rather than in the ear: seconde is \sə.ɡɔ̃d\ while sonde is \sɔ̃d\. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 8579, derived from the frequency rank of both members and their visual similarity.
seconde is recorded at frequency rank #677, classified as anadj, pronounced \sə.ɡɔ̃d\. sonde is at rank #7,902, tagged as anoun, pronounced \sɔ̃d\.
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 8579, this pair ranks #419,550 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of seconde vs sonde
Shared letters: denos. Private to "seconde": c. Private to "sonde": -.
"seconde" · 7 letters · shape CVCVCCV · "sonde" · 5 letters · shape CVCCV
Known mistypes of this pair
Frequently Asked Questions
Do "seconde" and "sonde" mean the same thing in a sentence?
In ordinary French text, does "seconde" or "sonde" show up more?
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 "seconde" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "sonde" - compare definitions side by side with the headword page. Word entry
- This pair ranks #419,550 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "seconde" and "sonde" also get mixed up with nearby pairs, the highest-scored neighbour is "sind vs sonde". 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 #419,550 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.