dobvsdownWhich spelling fits?

Quick tell: dob is a verb, down is an adverb, so they fill different roles in a sentence.

Which to use

“dob” is a verb and “down” is an adverb - they look or sound alike but fill different roles in a sentence.

#44,170
“dob” frequency rank
#137
“down” frequency rank
44307
confusion score

Side-by-Side Comparison

Feature dob down
Definition To report a person to someone in authority for a wrongdoing. (For transitive forms see dob in, dob on.) From a higher position to a lower one; downwards.

Where the eye mixes dob and down

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
dob
4 ch
down

Why the eye confuses dob with down

These two trip readers on the page rather than in the ear: dob is /dɑb/ while down is /daʊn/. 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 (verb vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 44307, 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/. down is at rank #137, tagged as anadv, pronounced /daʊn/.

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 44307, this pair ranks #231,845 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of dob vs down

Shared letters: do. Private to "dob": b. Private to "down": nw.

"dob" · 3 letters · shape CVC  ·  "down" · 4 letters · shape CVCC

Known mistypes of this pair

  • downddown · donw · downn · dowwn · dwon · odwn

Frequently Asked Questions

Can "dob" and "down" be used interchangeably?
No - they are not even the same part of speech. "dob" is a verb and "down" an adverb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "dob" or "down"?
"down" is the more common of the two: it sits at frequency rank #137 in our English list, against #44,170 for "dob". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Eye-level mix-up between "dob" and "down" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "dob" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "down" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #231,845 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "dob" and "down" also get mixed up with nearby pairs, the highest-scored neighbour is "dob vs dox". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #231,845 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list