Which to use
“déduction” and “défection” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #15,133
- “déduction” frequency rank
- #23,525
- “défection” frequency rank
- 38658
- confusion score
Side-by-Side Comparison
| Feature | déduction | défection |
|---|---|---|
| Definition | Action de soustraire une somme d'une autre. | Fait d’abandonner un organisme auquel on était lié. |
Where the eye mixes déduction and défection
Muted = shared; highlighted = the visual trap. They share 7 letters in sequence.
Look-alike desk: déduction vs défection
A purely visual mix-up. déduction (\de.dyk.sjɔ̃\) and défection (\de.fɛk.sjɔ̃\) 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 38658, derived from the frequency rank of both members and their visual similarity.
déduction is recorded at frequency rank #15,133, classified as anoun, pronounced \de.dyk.sjɔ̃\. défection is at rank #23,525, tagged as anoun, pronounced \de.fɛk.sjɔ̃\.
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 38658, this pair ranks #253,721 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of déduction vs défection
Shared letters: cdinoté. Private to "déduction": u. Private to "défection": ef.
"déduction" · 9 letters · shape CVCVCCVVC · "défection" · 9 letters · shape CVCVCCVVC
Frequently Asked Questions
Can "déduction" and "défection" be used interchangeably?
In ordinary French text, does "déduction" or "défection" show up more?
Useful next steps
Eye-level mix-up between "déduction" and "défection" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "déduction" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "défection" - compare definitions side by side with the headword page. Word entry
- This pair ranks #253,721 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "déduction" and "défection" also get mixed up with nearby pairs, the highest-scored neighbour is "défection vs défections". Nearby pair
Confusion rank #253,721 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.