Which to use
“dob” is a verb and “duc” is a noun - they look or sound alike but fill different roles in a sentence.
- #44,170
- “dob” frequency rank
- #36,966
- “duc” frequency rank
- 81136
- confusion score
Side-by-Side Comparison
| Feature | dob | duc |
|---|---|---|
| Definition | To report a person to someone in authority for a wrongdoing. (For transitive forms see dob in, dob on.) | A French duke. |
Letter map: dob vs duc
Shared letters muted; letters that set dob and duc apart highlighted. Shared run: 1. dob and duc follow the identical consonant-vowel pattern (CVC). Same shape at a glance is often the real trap, independent of shared letters.
Grammar separator: dob vs duc
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: dob is averb and ducanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 81136, derived from the frequency rank of both members and their visual similarity.
dob is recorded at frequency rank #44,170, classified as averb, pronounced /dɑb/. duc is at rank #36,966, tagged as anoun.
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 81136, this pair ranks #18,319 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of dob vs duc
Shared letters: d. Private to "dob": bo. Private to "duc": cu.
"dob" · 3 letters · shape CVC · "duc" · 3 letters · shape CVC
Frequently Asked Questions
Is swapping "dob" for "duc" ever safe?
Frequency check: "dob" vs "duc" - which ranks higher?
What to do next
Done with this confusable. These links stay specific to "dob" and "duc".
- Full dictionary entry for "dob" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "duc" - compare definitions side by side with the headword page. Word entry
- This pair ranks #18,319 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "dob" and "duc" also get mixed up with nearby pairs, the highest-scored neighbour is "dob vs dox". Nearby pair
Confusion rank #18,319 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.