dou vs dz, What's the Difference?

Which to use

“dou” is a noun and “dz” is a character - they look or sound alike but fill different roles in a sentence.

#22,238
“dou” frequency rank: #47,847
“dz” frequency rank: 70085
confusion score

Side-by-Side Comparison

Feature	dou	dz
Definition	Forme mutée de tou par adoucissement (t → d).	Lettre de l’alphabet hongrois entre le d et le dzs, utilisée pour \dz\.

Where the spellings diverge

Shared letters are muted; the letters that actually set dou and dz apart are highlighted. They share 1 letter in sequence, which is exactly why the eye skips the difference.

3 ch

dou

2 ch

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: dou is \ˈdu:\ while dz is \dzeː\. 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 character), which is usually the fastest check. Our composite confusion score for this pair is 70085, derived from the frequency rank of both members and their visual similarity.

dou is recorded at frequency rank #22,238, classified as anoun, pronounced \ˈdu:\. dz is at rank #47,847, tagged as acharacter, pronounced \dzeː\.

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 70085, this pair ranks #52,700 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of dou vs dz

Shared letters: d. Private to "dou": ou. Private to "dz": z.

"dou" · 3 letters · shape CVV · "dz" · 2 letters · shape CC

Frequency comparison

dou#22,238

dz#47,847

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "dou" and "dz" be used interchangeably?

No - they are not even the same part of speech. "dou" is a noun and "dz" a character, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "dou" or "dz"?

"dou" is the more common of the two: it sits at frequency rank #22,238 in our French list, against #47,847 for "dz". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering dou vs dz

The fastest way to pick the right one every time.

Check the role first: if you need a noun, it's “dou”; for a character, it's “dz”.
See each word in full, definition, IPA, etymology and its other confusables. Full “dou” entry
Browse more pairs most likely to be confused. Most confusable