déductible vs déductibles

Which to use

“déductible” and “déductibles” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#41,750
“déductible” frequency rank: #46,719
“déductibles” frequency rank: 88469
confusion score

Side-by-Side Comparison

Feature	déductible	déductibles
Definition	Qui peut être déduit d’un bénéfice, d’un revenu, d’une déclaration fiscale, etc.	Pluriel de déductible.

Same sound, different letters: déductible vs déductibles

Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 10 letters. déductible runs 10 letters (CVCVCCVCCV) against déductibles's 11 (CVCVCCVCCVC) - the length gap alone is often enough to separate them once you know to check it.

10 ch

déductible

11 ch

déductibles

Ear matches; page differs - déductible and déductibles

This is the hard kind. déductible and déductibles are pronounced identically (\de.dyk.tibl\) and both work as anadjective. Neither the ear nor the grammar will rescue you; only the meaning does, so the glosses below are the whole decision. They differ by 1 extra letter(s) - “déductible” sits inside “déductibles”. Our composite confusion score for this pair is 88469, derived from the frequency rank of both members and their visual similarity.

déductible is recorded at frequency rank #41,750, classified as anadj, pronounced \de.dyk.tibl\. déductibles is at rank #46,719, tagged as anadj, pronounced \de.dyk.tibl\.

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 88469, this pair ranks #6,949 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of déductible vs déductibles

Shared letters: bcdeiltué. Private to "déductible": -. Private to "déductibles": s.

"déductible" · 10 letters · shape CVCVCCVCCV · "déductibles" · 11 letters · shape CVCVCCVCCVC

Frequently Asked Questions

Is swapping "déductible" for "déductibles" ever safe?

No. They are pronounced the same (\de.dyk.tibl\), which is exactly why they get swapped in writing, but the dictionary meanings above are different, and pronunciation is no guide here.

Frequency check: "déductible" vs "déductibles" - which ranks higher?

"déductible" is the more common of the two: it sits at frequency rank #41,750 in our French list, against #46,719 for "déductibles". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Sound matches; spelling doesn't. Use the exits below to lock the right form or check a cousin pair.

Full dictionary entry for "déductible" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "déductibles" - compare definitions side by side with the headword page. Word entry
This pair ranks #6,949 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics

Confusion rank #6,949 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.