Which to use
“d” is a character and “do” is a noun - they look or sound alike but fill different roles in a sentence.
- #262
- “d” frequency rank
- #1,980
- “do” frequency rank
- 2242
- confusion score
Side-by-Side Comparison
| Feature | d | do |
|---|---|---|
| Definition | Cuarta letra del alfabeto español. Su nombre es de. | Nota musical. Corresponde a la primera en la escala musical, situada entre el si y el re. |
Where the eye mixes d and do
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Why the eye confuses d with do
These two trip readers on the page rather than in the ear: d is [d̪e] while do is [ˈd̪o]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 extra letter(s) - “d” sits inside “do”, and the parts of speech differ too (character vs noun), which is usually the fastest check. Our composite confusion score for this pair is 2242, derived from the frequency rank of both members and their visual similarity.
d is recorded at frequency rank #262, classified as acharacter, pronounced [d̪e]. do is at rank #1,980, tagged as anoun, pronounced [ˈd̪o].
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 2242, this pair ranks #320,707 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of d vs do
Shared letters: d. Private to "d": -. Private to "do": o.
"d" · 1 letters · shape C · "do" · 2 letters · shape CV
Frequently Asked Questions
Is swapping "d" for "do" ever safe?
Frequency check: "d" vs "do" - which ranks higher?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "d" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "do" - compare definitions side by side with the headword page. Word entry
- This pair ranks #320,707 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "d" and "do" also get mixed up with nearby pairs, the highest-scored neighbour is "do vs dont". Nearby pair
Confusion rank #320,707 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.