diezvsdueConfusable pair

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

Which to use

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

#48,450
“diez” frequency rank
#3,838
“due” frequency rank
52288
confusion score

Side-by-Side Comparison

Feature diez due
Definition Forme mutée de tiez par adoucissement (t → d). Féminin singulier de dû.

Where the eye mixes diez and due

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

4 ch
diez
3 ch
due

Why the eye confuses diez with due

These two trip readers on the page rather than in the ear: diez is \ˈdiːɛs\ while due is \dy\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 52288, derived from the frequency rank of both members and their visual similarity.

diez is recorded at frequency rank #48,450, classified as anoun, pronounced \ˈdiːɛs\. due is at rank #3,838, tagged as anadj, pronounced \dy\.

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 52288, this pair ranks #148,762 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of diez vs due

Shared letters: de. Private to "diez": iz. Private to "due": u.

"diez" · 4 letters · shape CVVC  ·  "due" · 3 letters · shape CVV

Known mistypes of this pair

  • diezddiez · deiz · diezz · dize · idez

Frequently Asked Questions

Do "diez" and "due" mean the same thing in a sentence?
No - they are not even the same part of speech. "diez" is a noun and "due" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "diez" or "due"?
"due" is the more common of the two: it sits at frequency rank #3,838 in our French list, against #48,450 for "diez". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "diez" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "due" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #148,762 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "diez" and "due" also get mixed up with nearby pairs, the highest-scored neighbour is "diez vs dz". 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 #148,762 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