Which to use
“d4” is a noun and “dob” is a verb - they look or sound alike but fill different roles in a sentence.
- #34,452
- “d4” frequency rank
- #44,170
- “dob” frequency rank
- 78622
- confusion score
Side-by-Side Comparison
| Feature | d4 | dob |
|---|---|---|
| Definition | A die with four sides. | To report a person to someone in authority for a wrongdoing. (For transitive forms see dob in, dob on.) |
Letter map: d4 vs dob
Shared letters muted; letters that set d4 and dob apart highlighted. Shared run: 1.
Role in the sentence - d4 and dob
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: d4 is anoun and dobaverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 78622, derived from the frequency rank of both members and their visual similarity.
d4 is recorded at frequency rank #34,452, classified as anoun. dob is at rank #44,170, tagged as averb, pronounced /dɑb/.
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 78622, this pair ranks #24,144 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of d4 vs dob
Shared letters: d. Private to "d4": -. Private to "dob": bo.
"d4" · 1 letters · shape C · "dob" · 3 letters · shape CVC
Frequently Asked Questions
Is swapping "d4" for "dob" ever safe?
Frequency check: "d4" vs "dob" - which ranks higher?
What to do next
Pair "d4" vs "dob" is on the table, pick a follow-up below.
- Full dictionary entry for "d4" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "dob" - compare definitions side by side with the headword page. Word entry
- This pair ranks #24,144 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "d4" and "dob" also get mixed up with nearby pairs, the highest-scored neighbour is "dob vs dox". Nearby pair
Confusion rank #24,144 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.