DexvsdixWhat's the difference?

Quick tell: Dex is a noun, dix is an adjective, so they fill different roles in a sentence.

Which to use

“Dex” is a noun and “dix” is an adjective - they look or sound alike but fill different roles in a sentence.

#43,878
“Dex” frequency rank
#581
“dix” frequency rank
44459
confusion score

Side-by-Side Comparison

Feature Dex dix
Definition Dieu Neuf plus un, adjectif numéral cardinal correspondant au nombre 10.

Where the eye mixes Dex and dix

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
Dex
3 ch
dix

Why the eye confuses Dex with dix

These two trip readers on the page rather than in the ear: Dex is \'de.us\ while dix is \dis\. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - e in “Dex” becomes i in “dix”, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 44459, derived from the frequency rank of both members and their visual similarity.

Dex is recorded at frequency rank #43,878, classified as anoun, pronounced \'de.us\. dix is at rank #581, tagged as anadj, pronounced \dis\.

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 44459, this pair ranks #210,309 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Dex vs dix

Shared letters: dx. Private to "Dex": e. Private to "dix": i.

"Dex" · 3 letters · shape CVC  ·  "dix" · 3 letters · shape CVC

Frequently Asked Questions

Can "Dex" and "dix" be used interchangeably?
No - they are not even the same part of speech. "Dex" is a noun and "dix" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "Dex" or "dix" show up more?
"dix" is the more common of the two: it sits at frequency rank #581 in our French list, against #43,878 for "Dex". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Eye-level mix-up between "Dex" and "dix" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "Dex" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "dix" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #210,309 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "Dex" and "dix" also get mixed up with nearby pairs, the highest-scored neighbour is "DCI vs Dex". Nearby pair

Confusion rank #210,309 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list