daovsduWhich spelling fits?

Quick tell: dao is a noun, du is an article, so they fill different roles in a sentence.

Which to use

“dao” is a noun and “du” is an article - they look or sound alike but fill different roles in a sentence.

#41,727
“dao” frequency rank
#17
“du” frequency rank
41744
confusion score

Side-by-Side Comparison

Feature dao du
Definition Essence fondamentale qui coule en toutes choses dans l’univers, vivantes ou inertes, qui fonde la réalité. Une quantité indéfinie de. Note d’usage : Utilisé avec un nom indénombrable.

Where the eye mixes dao and du

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
dao
2 ch
du

Visual trap between dao and du

These two trip readers on the page rather than in the ear: dao is \da.o\ while du 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 article), which is usually the fastest check. Our composite confusion score for this pair is 41744, derived from the frequency rank of both members and their visual similarity.

dao is recorded at frequency rank #41,727, classified as anoun, pronounced \da.o\. du is at rank #17, tagged as anarticle, 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 41744, this pair ranks #230,816 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of dao vs du

Shared letters: d. Private to "dao": ao. Private to "du": u.

"dao" · 3 letters · shape CVV  ·  "du" · 2 letters · shape CV

Frequently Asked Questions

Is swapping "dao" for "du" ever safe?
No - they are not even the same part of speech. "dao" is a noun and "du" an article, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "dao" or "du" show up more?
"du" is the more common of the two: it sits at frequency rank #17 in our French list, against #41,727 for "dao". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "dao" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "du" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #230,816 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "dao" and "du" also get mixed up with nearby pairs, the highest-scored neighbour is "dao vs dray". Nearby pair

Confusion rank #230,816 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