Which to use
“do” is a noun and “due” is an adjective - they look or sound alike but fill different roles in a sentence.
- #2,819
- “do” frequency rank
- #3,838
- “due” frequency rank
- 6657
- confusion score
Side-by-Side Comparison
| Feature | do | due |
|---|---|---|
| Definition | Première note de la gamme. | Féminin singulier de dû. |
Where the eye mixes do and due
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Why the eye confuses do with due
These two trip readers on the page rather than in the ear: do is \do\ 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 6657, derived from the frequency rank of both members and their visual similarity.
do is recorded at frequency rank #2,819, classified as anoun, pronounced \do\. 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 6657, this pair ranks #425,617 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of do vs due
Shared letters: d. Private to "do": o. Private to "due": eu.
"do" · 2 letters · shape CV · "due" · 3 letters · shape CVV
Frequently Asked Questions
Is swapping "do" for "due" ever safe?
Which is more common, "do" or "due"?
Useful next steps
Eye-level mix-up between "do" and "due" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "do" 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 #425,617 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "do" and "due" also get mixed up with nearby pairs, the highest-scored neighbour is "DCI vs due". Nearby pair
Confusion rank #425,617 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.