D4vsduWhat's the difference?

Quick tell: D4 is a noun, du is an article, so they fill different roles in a sentence.

Which to use

“D4” is a noun and “du” is an article - they look or sound alike but fill different roles in a sentence.

#33,206
“D4” frequency rank
#17
“du” frequency rank
33223
confusion score

Side-by-Side Comparison

Feature D4 du
Definition Dé à quatre faces, très souvent en forme de tétraèdre régulier, utilisé dans un jeu de rôle. Une quantité indéfinie de. Note d’usage : Utilisé avec un nom indénombrable.

Where the eye mixes D4 and du

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

2 ch
D4
2 ch
du

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: D4 is \de katʁ\ while du is \dy\. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - 4 in “D4” becomes u in “du”, and the parts of speech differ too (noun vs article), which is usually the fastest check. Our composite confusion score for this pair is 33223, derived from the frequency rank of both members and their visual similarity.

D4 is recorded at frequency rank #33,206, classified as anoun, pronounced \de katʁ\. 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 33223, this pair ranks #292,064 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of D4 vs du

Shared letters: d. Private to "D4": -. Private to "du": u.

"D4" · 1 letters · shape C  ·  "du" · 2 letters · shape CV

Frequently Asked Questions

Can "D4" and "du" be used interchangeably?
No - they are not even the same part of speech. "D4" is a noun and "du" an article, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "D4" or "du"?
"du" is the more common of the two: it sits at frequency rank #17 in our French list, against #33,206 for "D4". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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

Source: FrequencyWords open word-frequency list