dadvsduWhat's the difference?

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

Which to use

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

#34,491
“dad” frequency rank
#17
“du” frequency rank
34508
confusion score

Side-by-Side Comparison

Feature dad du
Definition Papa. Une quantité indéfinie de. Note d’usage : Utilisé avec un nom indénombrable.

Where the eye mixes dad and du

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

3 ch
dad
2 ch
du

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: dad is \dæd\ 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 34508, derived from the frequency rank of both members and their visual similarity.

dad is recorded at frequency rank #34,491, classified as anoun, pronounced \dæd\. 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 34508, this pair ranks #283,356 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of dad vs du

Shared letters: d. Private to "dad": a. Private to "du": u.

"dad" · 3 letters · shape CVC  ·  "du" · 2 letters · shape CV

Frequently Asked Questions

Can "dad" and "du" be used interchangeably?
No - they are not even the same part of speech. "dad" is a noun and "du" an article, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "dad" or "du"?
"du" is the more common of the two: it sits at frequency rank #17 in our French list, against #34,491 for "dad". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

You've compared "dad" and "du". Here's where to go from here.

  • Full dictionary entry for "dad" 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 #283,356 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "dad" and "du" also get mixed up with nearby pairs, the highest-scored neighbour is "dad vs dray". Nearby pair

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

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

Source: FrequencyWords open word-frequency list