Which to use
“sonar” and “sonde” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #36,596
- “sonar” frequency rank
- #7,902
- “sonde” frequency rank
- 44498
- confusion score
Side-by-Side Comparison
| Feature | sonar | sonde |
|---|---|---|
| Definition | Appareil utilisant les propriétés particulières de la propagation du son dans l’eau pour détecter et situer les objets sous l’eau par écholocation. | 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 sonar and sonde
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. sonar (CVCVC) and sonde (CVCCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Look-alike desk: sonar vs sonde
A purely visual mix-up. sonar (\sɔ.naʁ\) and sonde (\sɔ̃d\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 44498, derived from the frequency rank of both members and their visual similarity.
sonar is recorded at frequency rank #36,596, classified as anoun, pronounced \sɔ.naʁ\. 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 44498, this pair ranks #210,034 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of sonar vs sonde
Shared letters: nos. Private to "sonar": ar. Private to "sonde": de.
"sonar" · 5 letters · shape CVCVC · "sonde" · 5 letters · shape CVCCV
Known mistypes of this pair
Frequently Asked Questions
Do "sonar" and "sonde" mean the same thing in a sentence?
In ordinary French text, does "sonar" or "sonde" show up more?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "sonar" 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 #210,034 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "sonar" and "sonde" also get mixed up with nearby pairs, the highest-scored neighbour is "Sénart vs sonar". 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 #210,034 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.