dobvsdobbyWhat's the difference?

Quick tell: dob is a verb, dobby is a noun, so they fill different roles in a sentence.

Which to use

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

#44,170
“dob” frequency rank
#45,337
“dobby” frequency rank
89507
confusion score

Side-by-Side Comparison

Feature dob dobby
Definition To report a person to someone in authority for a wrongdoing. (For transitive forms see dob in, dob on.) A device in some looms that allows the weaving of small geometric patterns.

Letter map: dob vs dobby

Shared letters muted; letters that set dob and dobby apart highlighted. Shared run: 3.

3 ch
dob
5 ch
dobby

Role in the sentence - dob and dobby

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: dob is averb and dobbyanoun. On the page they differ by 2 extra letter(s) - “dob” sits inside “dobby”. Our composite confusion score for this pair is 89507, 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/. dobby is at rank #45,337, 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 89507, this pair ranks #5,123 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of dob vs dobby

Shared letters: bdo. Private to "dob": -. Private to "dobby": y.

"dob" · 3 letters · shape CVC  ·  "dobby" · 5 letters · shape CVCCV

Known mistypes of this pair

  • dobbydboby · ddobby · dobbyy · doby · dobyb · odbby

Frequently Asked Questions

Is swapping "dob" for "dobby" ever safe?
No - they are not even the same part of speech. "dob" is a verb and "dobby" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "dob" or "dobby"?
"dob" is the more common of the two: it sits at frequency rank #44,170 in our English list, against #45,337 for "dobby". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Done with this confusable. These links stay specific to "dob" and "dobby".

  • Full dictionary entry for "dob" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "dobby" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #5,123 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "dob" and "dobby" 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 #5,123 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