Which to use
“dedans” is an adverb and “déduis” is a verb - they look or sound alike but fill different roles in a sentence.
- #1,327
- “dedans” frequency rank
- #32,787
- “déduis” frequency rank
- 34114
- confusion score
Side-by-Side Comparison
| Feature | dedans | déduis |
|---|---|---|
| Definition | À l’intérieur. Dans la place dont on vient de parler. | Première personne du singulier de l’indicatif présent de déduire. |
Where the spellings diverge
Shared letters are muted; the letters that actually set dedans and déduis apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: dedans is \də.dɑ̃\ while déduis is \de.dɥi\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 3 positions, and the parts of speech differ too (adverb vs verb), which is usually the fastest check. Our composite confusion score for this pair is 34114, derived from the frequency rank of both members and their visual similarity.
dedans is recorded at frequency rank #1,327, classified as anadv, pronounced \də.dɑ̃\. déduis is at rank #32,787, tagged as averb, pronounced \de.dɥi\.
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 34114, this pair ranks #286,054 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of dedans vs déduis
Shared letters: ds. Private to "dedans": aen. Private to "déduis": iué.
"dedans" · 6 letters · shape CVCVCC · "déduis" · 6 letters · shape CVCVVC
Known mistypes of this pair
- dedans ← ddeans · ddedans · deadns · dedanns · dedanss · dedasn · deddans · dednas
Frequency comparison
Frequently Asked Questions
Can "dedans" and "déduis" be used interchangeably?
Which is more common, "dedans" or "déduis"?
Remembering dedans vs déduis
The fastest way to pick the right one every time.
- Check the role first: if you need an adverb, it's “dedans”; for a verb, it's “déduis”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “dedans” entry
- Browse more pairs most likely to be confused. Most confusable